The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-132-1577, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Itt Cannon Llc. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-132-1577 |
| Primary Part Number | MDM-21PSB |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Itt Cannon Llc |
| Status | ACTIVE |
| Contact Maximum Current Rating in Amps | 3.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Connector Locking Method | SPRING FRICTION |
| Shell Type | SOLID |
| Body Style | STRAIGHT SHAPE |
| Terminal Type | SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | 21 SINGLE MATING END |
| Shell Surface Treatment | CADMIUM |
| Unthreaded Mounting Hole Diameter | 0.088 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN |
| Insert Material Document and Classification | MIL-M-14,TYPE SDG-F MIL SPEC 1ST MATERIAL RESPONSE OR MIL-M-24519,TYPE GPT-30F OR TYPE GET-30F MIL SPEC 2ND MATERIAL RESPONSE SINGLE MATING END |
| Precious Material and Weight | 0.021 GOLD GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Distance Between Mounting Facility Centers | 0.860 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN |
| Included Contact Quantity | 21 SINGLE MATING END SINGLE CONTACT GROUPING |
| Shell Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE |
| Operating Temp Rating | -54.0 CELSIUS MINIMUM AND 149.0 CELSIUS MAXIMUM DEGC |
| Included Contact Type | TWISTED PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Polarization Method | MATING END |
| Contact Surface Treatment Document and Classification | MIL-G-45204,TYPE 2,GRADE C,CLASS 1 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING |
| Environmental Protection | FUNGUS RESISTANT AND THERMAL SHOCK RESISTANT AND MOISTURE RESISTANT AND VIBRATION RESISTANT AND SHOCK RESISTANT |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Contact Removability | NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Surface Treatment | GOLD AND NICKEL SINGLE MATING END SINGLE CONTACT GROUPING |
| Insert Material | PLASTIC DIALLYL PHTHALATE GLASS FILLED OR PLASTIC POLYESTER GLASS FILLED SINGLE MATING END |
| Shell Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| MDM-21PSB | Itt Cannon Llc (USA) |
| MR21N0 | Winchester Interconnect Micro Llc (USA) |
| Reference | Meaning |
|---|---|
| MWDM1L-21PSB | 5/9 Secondary reference Arlet Mfg Inc |
| 114-416-0001 | 3/2 Design control — primary reference U.S. Government activity |
| MCK-C2-B21PS | 5/2 Secondary reference U.S. Government activity |
NSN 5935-01-132-1577 is a Connector,receptacle,electrical, manufactured by Itt Cannon Llc, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-132-1577 has 2 manufacturer part numbers on file: MDM-21PSB (Itt Cannon Llc), MR21N0 (Winchester Interconnect Micro Llc).
Key specifications for MDM-21PSB: Overall Height: 0.515 INCHES MAXIMUM IN; Contact Maximum Current Rating in Amps: 3.0 SINGLE MATING END SINGLE CONTACT GROUPING; Connector Locking Method: SPRING FRICTION; Shell Type: SOLID. 27 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.