The Interconnecting Box, cataloged under National Stock Number 5975-01-003-5657, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hoffman Engineering Co Div of Federal Cartridge Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5975-01-003-5657 |
| Primary Part Number | A20H16ALP |
| Item Name | Interconnecting Box |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Hoffman Engineering Co Div of Federal Cartridge Corp |
| Status | ACTIVE |
| Style Designator | RECTANGULAR, SURFACE MOUNTING |
| 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 |
|---|---|
| A20H16ALP PRIMARY | Hoffman Engineering Co Div of Federal Cartridge Corp (USA) |
| Reference | Meaning |
|---|---|
| 616078 | D/9 Drawing number reference only U.S. Government activity |
| 616078-2 | 3/1 Design control — primary reference U.S. Government activity |
| A20H16A | 5/9 Secondary reference Hoffman Engineering Co Div of Federal Cartridge Corp |
NSN 5975-01-003-5657 is a Interconnecting Box, manufactured by Hoffman Engineering Co Div of Federal Cartridge Corp, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-003-5657 has 1 manufacturer part number on file: A20H16ALP (Hoffman Engineering Co Div of Federal Cartridge Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5895-01-238-7494, 5310-01-248-5371. Verify interchangeability with system specifications before substitution.
Key specifications for A20H16ALP: Style Designator: RECTANGULAR, SURFACE MOUNTING. 1 specification is 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.