The Connector Body,receptacle,electr, cataloged under National Stock Number 5935-01-178-8401, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 25 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-178-8401 |
| Primary Part Number | MS3402D28-21B |
| Item Name | Connector Body,receptacle,electr |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Connector Locking Method | EXTERNALLY THREADED SHELL |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE, EXTERNAL COUPLING |
| Nominal Thread Length | 0.625 INCHES AND 0.290 INCHES IN |
| Mating End Quantity | 12 |
| Contact Position Arrangement Style | 28-21 SINGLE MATING END |
| Shell Surface Treatment | CADMIUM AND CHROMATE AND ZINC |
| Insert Position in Deg | 0.0 AND 95.0 AND 132.0 AND 232.0 AND 260.0 |
| Unthreaded Mounting Hole Diameter | 0.142 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 1.562 INCHES NOMINAL IN |
| Shell Surface Treatment Document and Classification | QQ-P-416,TY 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.750 INCHES IN |
| Specification/standard Data | 96906-MS3402 GOVERNMENT STANDARD |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.562 INCHES NOMINAL IN |
| Polarization Method | KEYWAY OR MULTIPLE KEYWAY AND POLARIZATION BOSS |
| Environmental Protection | MOISTURE PROOF AND SALT WATER RESISTANT AND VIBRATION PROOF AND CORROSION RESISTANT AND DUST RESISTANT AND FUEL RESISTANT AND FUNGUS RESISTANT AND HUMIDITY RESISTANT AND OIL RESISTANT AND SHOCK RESISTANT AND THERMAL SHOCK RESISTANT AND VIBRATION RESISTANT |
| Distance From Mounting Shoulder to Front Face | 0.812 INCHES MINIMUM AND 0.843 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Test Data Document | 81349-MIL-C-5015 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Thread Quantity Per Inch | 18 AND 16 |
| Threaded Device Type | COUPLING FACILITY AND BACK SHELL |
| Thread Series Designator | UNS AND UN |
| Insert Material | RUBBER SINGLE MATING END |
| Shell Material | ALUMINUM ALLOY OR ZINC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MS3402D28-21B PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| MS3402D40-56BW | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| SAE-AS50151 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MS3402D28-21B | 5/9 Secondary reference U.S. Government activity |
| MIL-C-5015 | 5/9 Secondary reference U.S. Government activity |
| MS3402D-28-21B | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 5935PL0716304 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5935-01-178-8401 is a Connector Body,receptacle,electr, manufactured by Sae International Dba Sae International, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-178-8401 has 1 manufacturer part number on file: MS3402D28-21B (Sae International Dba Sae International).
Key specifications for MS3402D28-21B: Overall Height: 2.000 INCHES NOMINAL IN; Connector Locking Method: EXTERNALLY THREADED SHELL; Shell Type: SOLID; Body Style: STRAIGHT SHAPE, EXTERNAL COUPLING. 25 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.