The Box Connector,electrical, cataloged under National Stock Number 5975-00-880-7644, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Amphenol Corporation Dba Amphenol Aerospace Industrial Div Amphenol Aerospace/pyle National. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5975-00-880-7644 |
| Primary Part Number | DB-638 |
| Item Name | Box Connector,electrical |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Amphenol Corporation Dba Amphenol Aerospace Industrial Div Amphenol Aerospace/pyle National |
| Status | ACTIVE |
| Item Accommodated Trade Size | 0.750 INCHES FIRST END IN |
| Style Designator | STRAIGHT |
| Conduit Type Accommodated | ANY ACCEPTABLE FIRST END |
| Material | ALUMINUM AND RUBBER CHLOROPRENE |
| Furnished Items | TAPERED BUSHING |
| End Type | GLAND NUT W/EXTERNAL THREAD FIRST END |
| End Type | EXTERNAL THREAD SECOND END |
| Hazardous Locations/environmental Protection | WATERTIGHT-NEMA TYPE 4 |
| 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 |
|---|---|
| 8763341 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| DB-638 PRIMARY | Amphenol Corporation Dba Amphenol Aerospace Industrial Div Amphenol Aerospace/pyle National (USA) |
| 8019831 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| CEB293-SA | 5/9 Secondary reference Crouse-Hinds Co |
| 8763341 | 5/2 Secondary reference U.S. Government activity |
| CGB293-SA | 3/9 Design control — primary reference Crouse-Hinds Co |
NSN 5975-00-880-7644 is a Box Connector,electrical, manufactured by Amphenol Corporation Dba Amphenol Aerospace Industrial Div Amphenol Aerospace/pyle National, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-00-880-7644 has 3 manufacturer part numbers on file: 8763341 (U S Army Tank Automotive Command Amsta-Im-Mm), DB-638 (Amphenol Corporation Dba Amphenol Aerospace Industrial Div Amphenol Aerospace/pyle National), 8019831 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 5975-01-236-2902, 5985-01-550-2910. Verify interchangeability with system specifications before substitution.
Key specifications for DB-638: Item Accommodated Trade Size: 0.750 INCHES FIRST END IN; Style Designator: STRAIGHT; Special Features: CORD RANGE DIA 0.125 IN. TO 0.250 IN. IN; Conduit Type Accommodated: ANY ACCEPTABLE FIRST END. 8 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.