The Adapter Assembly, cataloged under National Stock Number 6605-01-076-5591, is classified within Federal Supply Class 6605 (Navigational Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 6605-01-076-5591 |
| Primary Part Number | 859903 |
| Item Name | Adapter Assembly |
| FSC / FSG | 6605 / 66 — Navigational Instruments |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 859903 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 1879508PC11 | Northrop Grumman Systems Corporation (USA) |
NSN 6605-01-076-5591 is a Adapter Assembly, manufactured by Northrop Grumman Systems Corporation, classified under FSC 6605, Navigational Instruments. Status: active.
NSN 6605-01-076-5591 has 2 manufacturer part numbers on file: 859903 (Northrop Grumman Systems Corporation), 1879508PC11 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6130-01-567-3253. Verify interchangeability with system specifications before substitution.
Key specifications for 859903: End Item Identification: MASTER COMPASS ASSEMBLY. 0 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.
NSN 6605-01-076-5591 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.