The Retainer,shaft, cataloged under National Stock Number 1055-01-148-8543, is classified within Federal Supply Class 1055 (Launchers, Rocket and Pyrotechnic) of the Weapons group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. The record lists 1 manufacturer part number 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.
| Item Name | Retainer,shaft |
| FSC / FSG | 1055 — Launchers, Rocket and Pyrotechnic (FSG 10) |
| Manufacturers | Eaton Aerospace, Llc Dba Jackson South (CAGE 62983) |
| Parameter | Value |
|---|---|
| NSN | 1055-01-148-8543 |
| Primary Part Number | 321137 |
| Item Name | Retainer,shaft |
| FSC / FSG | 1055 / 10 — Launchers, Rocket and Pyrotechnic |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 321137 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 1055-01-148-8543 is a Retainer,shaft, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 1055, Launchers, Rocket and Pyrotechnic. Status: active.
NSN 1055-01-148-8543 has 1 manufacturer part number on file: 321137 (Eaton Aerospace, Llc Dba Jackson South).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-505-2531. Verify interchangeability with system specifications before substitution.
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 1055-01-148-8543 has DEMIL Code B. 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.