The Retainer,side Seat, cataloged under National Stock Number 1680-01-076-5223, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Williams Aerospace & Manufacturing Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1680-01-076-5223 |
| Primary Part Number | 4892-2 |
| Item Name | Retainer,side Seat |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Williams Aerospace & Manufacturing Inc |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,ANODIZE MIL-A-8625 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4892-2 | Williams Aerospace & Manufacturing Inc (USA) |
| 4892-2 | Crestview Aerospace Llc Div Crestview Aerospace (USA) |
| 4892-2 | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| 4892-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-01-076-5223 is a Retainer,side Seat, manufactured by Williams Aerospace & Manufacturing Inc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-076-5223 has 3 manufacturer part numbers on file: 4892-2 (Williams Aerospace & Manufacturing Inc), 4892-2 (Crestview Aerospace Llc Div Crestview Aerospace), 4892-2 (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-366-8156. Verify interchangeability with system specifications before substitution.
Key specifications for 4892-2: General Characteristics Item Description: ALUMINUM ALLOY,ANODIZE MIL-A-8625. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.