The Junction Box, cataloged under National Stock Number 5975-00-467-3999, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Austin Co Inc the an Independently Owned and Operated Business. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-00-467-3999 |
| Primary Part Number | AB-443JL |
| Item Name | Junction Box |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Austin Co Inc the an Independently Owned and Operated Business |
| Status | ACTIVE |
| Inside Depth | 4.000 INCHES NOMINAL IN |
| Body Width | 4.000 INCHES NOMINAL IN |
| Style Designator | SQUARE-TWO GANG BOX |
| Body Length | 3.000 INCHES NOMINAL IN |
| Cover Type | HINGED |
| Surface Treatment | ENAMEL OVERALL |
| Environmental Protection | DUSTPROOF |
| Material | STEEL BODY |
| Material | STEEL COVER |
| Cover Opening Shape and Quantity | 1 OBLONG |
| 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 |
|---|---|
| AB-443JL | Austin Co Inc the an Independently Owned and Operated Business (USA) |
| Reference | Meaning |
|---|---|
| 404LP | 3/9 Design control — primary reference Hoffman Engineering Co Div of Federal Cartridge Corp |
| SB-443JL | 5/9 Secondary reference Austin Co Inc the an Independently Owned and Operated Business |
NSN 5975-00-467-3999 is a Junction Box, manufactured by Austin Co Inc the an Independently Owned and Operated Business, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-00-467-3999 has 1 manufacturer part number on file: AB-443JL (Austin Co Inc the an Independently Owned and Operated Business).
1 possible match (shared part number, not a government interchangeability claim): 5975-00-834-0568. Verify interchangeability with system specifications before substitution.
Key specifications for AB-443JL: Inside Depth: 4.000 INCHES NOMINAL IN; Body Width: 4.000 INCHES NOMINAL IN; Style Designator: SQUARE-TWO GANG BOX; Body Length: 3.000 INCHES NOMINAL IN. 10 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.