DETAIL SPECIFICATION SHEET
CONNECTOR, FIXED FLANGE, TO HOSE
This specification is approved for use by all Departments and Agencies of the Department of Defense.
The requirements for acquiring the product described herein shall consist of this specification sheet.
8 through 32 size codes
| Inches | mm |
|---|---|
| .005 | 0.13 |
| .010 | 0.25 |
| .015 | 0.38 |
| .030 | 0.76 |
| .125 | 3.18 |
| 1.625 | 41.28 |
FIGURE 1. Connector fixed flange dimensions and configurations.
40 and 48 size codes
| Inches | mm |
|---|---|
| .005 | 0.13 |
| .010 | 0.25 |
| .015 | 0.38 |
| .030 | 0.76 |
| .125 | 3.18 |
| 1.625 | 41.28 |
| Size code number |
Hose ID inch (mm) |
A Dia. ±.003 (0.08) inch (mm) |
B Dia. +.000 -.015 (0.38) |
C Dia. ±.010 (0.25) |
D inch (mm) |
|---|---|---|---|---|---|
| 8 | .500 (12.70) | --- | --- | .875 (22.23) | --- |
| 10 | .625 (15.88) | --- | --- | 1.000 (25.40) | --- |
| 12 | .750 (19.05) | .609 (15.47) | .891 (22.63) | 1.250 (31.75) | 2.000 (50.80) |
| 12-16 | 1.500 (38.10) | ||||
| 16 | 1.000 (25.40) | .844 (21.44) | 1.156 (29.36) | ||
| 20 | 1.250 (31.75) | 1.078 (27.38) | 1.438 (36.53) | 1.844 (46.84) | 2.062 (52.37) |
| 20-24 | 2.125 (53.98) | 2.125 (53.98) | |||
| 24 | 1.500 (38.10) | 1.312 (33.32) | 1.688 (42.88) | ||
| 32 | 2.000 (50.80) | 1.781 (45.24) | 2.250 (57.15) | 2.750 (69.85) | 2.188 (55.58) |
| 40 | 2.500 (63.50) | 2.281 (57.94) | 2.812 (71.42) | 3.281 (83.34) | |
| 48 | 3.000 (76.20) | 2.781 (70.64) | 3.344 (84.94) | 3.781 (96.04) |
FIGURE 1. Connector fixed flange dimensions and configurations - Continued.
| Size code number |
E inch (mm) |
F ±.005 (0.13) inch (mm) |
G ±.005 (0.13) inch (mm) |
H Dia. +.010 (0.25) -.000 inch (mm) |
J Rad. ±.010 (0.25) inch (mm) |
|
|---|---|---|---|---|---|---|
| 8 | 1.390 (35.31) | ± .016 (0.41) |
.250 (6.35) | .950 (24.13) | .205 (5.21) | .219 (5.56) |
| 10 | 1.468 (37.29) | 1.038 (26.37) | ||||
| 12 | 1.594 (40.49) | 1.156 (29.36) | ||||
| 12-16 | 1.750 (44.45) | 1.312 (33.32) | ||||
| 16 | ||||||
| 20 | 2.188 (55.58) | ±.020 (0.51) |
1.656 (42.06) | .266 (6.76) | .266 (6.76) | |
| 20-24 | 2.375 (60.33) | .312 (7.92) | 1.812 (46.02) | .281 (7.14) | ||
| 24 | ||||||
| 32 | 3.000 (76.20) | 2.375 (60.33) | .328 (8.33) | .312 (7.92) | ||
| 40 | 4.000 (101.60) | --- | .375 (9.53) | |||
| 48 | 4.500 (114.30) | --- | .625 (15.88) | |||
| Size code number |
K Dia. ±.010 (0.25) |
L Dia. | N Dia. | T Dia. min |
V min |
|---|---|---|---|---|---|
| 8 | 1.782 (45.26) | 1.344 (34.14) | --- | --- | --- |
| 10 | 1.906 (48.41) | 1.468 (37.29) | --- | --- | --- |
| 12 | 2.094 (53.19) | 1.635 (41.53) | .669 (16.99) | .609 (15.47) | .065 (1.65) |
| 12-16 | 2.312 (58.72) | 1.855 (47.12) | |||
| 16 | .904 (22.96) | .859 (21.82) | |||
| 20 | 2.875 (73.03) | 2.342 (59.49) | 1.138 (28.91) | 1.059 (26.90) | .090 (2.29) |
| 20-24 | 3.094 (78.59) | 2.562 (65.07) | |||
| 24 | 1.372 (34.85) | 1.309 (33.25) | |||
| 32 | 3.953 (100.41) | 3.359 (85.32) | 1.841 (46.76) | 1.793 (45.54) | .100 (2.54) |
| 40 | 4.500 (114.30) | 3.812 (96.82) | 2.341 (59.46) | 2.243 (56.97) | |
| 48 | 5.000 (127.00) | 4.312 (109.52) | 2.841 (72.16) | 2.793 (70.94) |
NOTES:
- Dimensions are in inches.
- Metric equivalents are given for information only.
- Unless otherwise specified tolerances are ±.005 inch (0.13 mm), angles ±.5°.
- Break sharp edges and remove all hanging burrs and slivers.
- Annular tool marks up to 63 µin (1.6 µm) Ra max will be allowed, machined surfaces shall be finished to 100µin (2.54 µm) Ra, unless otherwise specified on the figures. Surface finish shall be in accordance with ASME B46.1.
- Reduction by forging draft angle of 7° maximum is permissible.
- Break all sharp edges and remove all hanging burrs or slivers which might become dislodged under usage.
REQUIREMENTS:
- Dimensions and configuration shall be in accordance with figure 1.
- For design features purposes, this standard takes precedence over documents referenced herein.
- Referenced documents shall be of the issue in effect on date of invitation for bid.
- Porosity test: Finished castings shall not leak when subjected to 100-psi (0.7 MPa) internal air pressure and submerged in water for 3 minutes minimum.
- This part is designed for use in fuel and oil systems with maximum operating pressures in accordance with table I.
TABLE I. Maximum operating pressure.
| Size code number | Material | PSI | MPa |
|---|---|---|---|
| 02 thru 08 | Aluminum alloy | 1500 | 10.3 |
| 10 thru 16 | Aluminum alloy | 1500 | 10.3 |
| 24 thru 28 | Aluminum alloy | 500 | 3.4 |
| 32 thru 48 | Aluminum alloy | 500 | 3.4 |
TABLE II. Material and finish code letters.
| Code letter | Material | Finish |
|---|---|---|
| D | Aluminum alloy 2014-T4 in accordance with SAE-AMS-QQ-A-225/6 or aluminum alloy casting in accordance with ASTM B108/B108M | Anodized anodize in accordance with MIL-A-8625, type 2, dye light blue |
| Aluminum alloy 2024 or 2024 forging and bar stock in accordance with SAE-AS4875 | ||
| DA | Aluminum alloy 2014-T4 in accordance with SAE-AMS-QQ-A-225/6 or aluminum alloy casting in accordance with ASTM B108/B108M | Chemical conversion coating in accordance with MIL-DTL-5541, type II, class 3 |
| Aluminum alloy 2024 or 2024 forging and bar stock in accordance with SAE-AS4875 | ||
| W | Aluminum alloy 7075-T73 or T7352 in accordance with SAE-AS4875 | Anodize in accordance with MIL-A-8625, type 2, dye brown |
| WC | Aluminum alloy 7075-T73 or T7352 in accordance with SAE-AS4875 | Chemical conversion coating in accordance with MIL-DTL-5541, type II, class 3 |
TABLE III. Weight limits. 1
| Size code number | Weight max lbs. (gr) |
|---|---|
| 8 | --- |
| 10 | --- |
| 12 | .08 (36) |
| 12-16 | .09 (41) |
| 16 | .10 (45) |
| 20 | .16 (73) |
| 20-24 | .21 (95) |
| 24 | .22 (100) |
| 32 | .34 (154) |
| 40 | .49 (222) |
| 48 | .58 (263) |
Metric equivalents given for information only.
Part or Identifying Number (PIN): The PIN consists of prefix “MS” the specification sheet number, and a dash, letter for material/finish and number for size code. Unassigned PIN’s shall not be used.
- MS — MS prefix
- 20757 — Specification sheet number
- - — Dash
- D — Material/finish code letter (see table II)
- 8 — Size code number (see figure 1)
PIN example: MS20757-D8 indicates a flange to hose adapter .500 inch (12.70 mm) hose ID to a .875 inch (22.23 mm) flange, aluminum alloy 2014-T4 anodized light blue.
Marking: Part shall be permanently marked with the MS PIN, and include the manufacturers CAGE, name, or trademark.
Referenced documents shall be of the issue in effect on date of invitation for bid.
Reference design standard MS33786 for installation.
Changes from previous issues: Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent of the changes.
Referenced documents: This document references the following:
CONCLUDING MATERIAL
Custodians:
Army - AV
Navy - AS
Air Force - 99
DLA - CC
Review activities:
Army - MI
Navy - MC, SA
Air Force - 71
Preparing activity:
DLA - CC
(Project 4730-2012-078)
NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https://assist.dla.mil.