The Retainer Assembly,upper, cataloged under National Stock Number 1280-01-012-1900, is classified within Federal Supply Class 1280 (Aircraft Bombing Fire Control Components) of the Fire Control Equipment group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 1280-01-012-1900 |
| Primary Part Number | 31238 |
| Item Name | Retainer Assembly,upper |
| FSC / FSG | 1280 / 12 — Aircraft Bombing Fire Control Components |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 31238 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 31238 | 5/9 Secondary reference United Technologies Corp Hamilton Sundstrand Corp |
NSN 1280-01-012-1900 is a Retainer Assembly,upper, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1280, Aircraft Bombing Fire Control Components. Status: active.
NSN 1280-01-012-1900 has 1 manufacturer part number on file: 31238 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-148-7752, 5331-01-692-0895. Verify interchangeability with system specifications before substitution.
Key specifications for 31238: End Item Identification: AIRCRAFT,MODEL F-15. 0 specifications are 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.
NSN 1280-01-012-1900 has DEMIL Code Q. 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.