The Body Subassembly, cataloged under National Stock Number 6665-01-157-9169, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Bacharach, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6665-01-157-9169 |
| Primary Part Number | 23-4019 |
| Item Name | Body Subassembly |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Bacharach, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF BODY 1; CIRCUIT CARD ASSEMBLY 1; CAP 1; RING 1 |
| 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 |
|---|---|
| 23-4019 PRIMARY | Bacharach, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 23-4019 | 5/9 Secondary reference Wesco Distribution Inc 5105 |
NSN 6665-01-157-9169 is a Body Subassembly, manufactured by Bacharach, Inc., classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-157-9169 has 1 manufacturer part number on file: 23-4019 (Bacharach, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5342-01-516-3985. Verify interchangeability with system specifications before substitution.
Key specifications for 23-4019: General Characteristics Item Description: CONSISTS OF BODY 1; CIRCUIT CARD ASSEMBLY 1; CAP 1; RING 1. 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.