The Cup Spring, cataloged under National Stock Number 1055-01-076-1250, is classified within Federal Supply Class 1055 (Launchers, Rocket and Pyrotechnic) of the Weapons group. The manufacturer of record is Howmet Global Fastening Systems Inc Div Camloc Products. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Cup Spring |
| FSC / FSG | 1055 — Launchers, Rocket and Pyrotechnic (FSG 10) |
| Manufacturers | Howmet Global Fastening Systems Inc Div Camloc Products (CAGE 71286) |
| Parameter | Value |
|---|---|
| NSN | 1055-01-076-1250 |
| Primary Part Number | 39S10-1-1AA |
| Item Name | Cup Spring |
| FSC / FSG | 1055 / 10 — Launchers, Rocket and Pyrotechnic |
| Manufacturer | Howmet Global Fastening Systems Inc Div Camloc Products |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 39S10-1-1AA PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| Reference | Meaning |
|---|---|
| 5166146 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 1055-01-076-1250 is a Cup Spring, manufactured by Howmet Global Fastening Systems Inc Div Camloc Products, classified under FSC 1055, Launchers, Rocket and Pyrotechnic. Status: active.
NSN 1055-01-076-1250 has 1 manufacturer part number on file: 39S10-1-1AA (Howmet Global Fastening Systems Inc Div Camloc Products).
1 possible match (shared part number, not a government interchangeability claim): 5342-01-139-9639. 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.
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.