The Connector,plug,electrical, cataloged under National Stock Number 5935-01-320-2521, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Amphenol Canada Corp. Government technical data includes 27 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-320-2521 |
| Primary Part Number | R58-B048S-TKN |
| Item Name | Connector,plug,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Amphenol Canada Corp |
| Status | ACTIVE |
| Connector Locking Method | FRICTION |
| Shell Type | SOLID |
| Terminal Type | CRIMP SINGLE MATING END ALL CONTACT GROUPINGS |
| Contact Material | COPPER ALLOY SINGLE MATING END ALL CONTACT GROUPINGS |
| Mating End Quantity | 1 |
| Precious Material | GOLD AND SILVER |
| Contact Position Arrangement Style | 48, 048 SINGLE MATING END |
| Shell Surface Treatment | NICKEL |
| Supplementary Features | MOUNTING METHOD - SPRING |
| Precious Material and Weight | 0.048 GOLD GRAINS, TROY AND 0.048 SILVER GRAINS, TROY |
| Shell Material Document and Classification | QQ-A-591 FED SPEC SINGLE MATERIAL RESPONSE |
| Terminal Location | BACK SINGLE MATING END ALL CONTACT GROUPINGS |
| Included Contact Quantity | 18 SINGLE MATING END FIRST CONTACT GROUPING |
| Included Contact Quantity | 30 SINGLE MATING END SECOND CONTACT GROUPING |
| Shell Surface Treatment Document and Classification | MIL-C-26074,GRADE B,CL 3 OR 4 MIL SPEC SINGLE TREATMENT RESPONSE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Specification/standard Data | 81349-MIL-C-83733/4 GOVERNMENT SPECIFICATION |
| Included Contact Type | ROUND SOCKET SINGLE MATING END ALL CONTACT GROUPINGS |
| Polarization Method | MATING END |
| Environmental Protection | CORROSION RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND THERMAL SHOCK RESISTANT AND VIBRATION RESISTANT |
| Precious Material and Location | CONTACT SURFACES GOLD AND CONTACT SURFACES SILVER |
| Contact Removability | REMOVABLE SINGLE MATING END ALL CONTACT GROUPINGS |
| Thread Class | 2B |
| Test Data Document | 81349-MIL-C-83733 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 | 32 |
| Contact Surface Treatment | GOLD AND SILVER SINGLE MATING END ALL CONTACT GROUPINGS |
| 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 |
|---|---|
| R58-B048S-TKN | Amphenol Canada Corp (CAN) |
| Reference | Meaning |
|---|---|
| M83733/4RB048 | 2/2 Government specification standardization U.S. Government activity |
| MIL-DTL-83733/4 | 4/1 Identification reference U.S. Government activity |
| MIL-C-83733/4 | 5/9 Secondary reference U.S. Government activity |
NSN 5935-01-320-2521 is a Connector,plug,electrical, manufactured by Amphenol Canada Corp, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-320-2521 has 1 manufacturer part number on file: R58-B048S-TKN (Amphenol Canada Corp).
5 possible matches (shared part number, not a government interchangeability claim): 5935-01-327-6436, 5935-01-340-8625, 5935-01-394-5131. Verify interchangeability with system specifications before substitution.
Key specifications for R58-B048S-TKN: Overall Height: 1.146 INCHES MINIMUM AND 1.170 INCHES MAXIMUM IN; Connector Locking Method: FRICTION; Shell Type: SOLID; Terminal Type: CRIMP SINGLE MATING END ALL CONTACT GROUPINGS. 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.