The Spring,helical,extension, cataloged under National Stock Number 5360-01-437-3191, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Halton Marine Oy. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Spring,helical,extension |
| FSC / FSG | 5360 — Coil, Flat, Leaf, and Wire Springs (FSG 53) |
| Manufacturers | Halton Marine Oy (CAGE A096G) |
| Parameter | Value |
|---|---|
| NSN | 5360-01-437-3191 |
| Primary Part Number | 2331-06 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Halton Marine Oy |
| 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 |
|---|---|
| 2331-06 | Halton Marine Oy (FIN) |
| Reference | Meaning |
|---|---|
| 2331-06 | 5/9 Secondary reference Rolls-Royce Ab |
| 959667 ITEM 7 | 3/9 Design control — primary reference Kamewa |
| 2331-06 | 5/9 Secondary reference Kamewa |
| 959667 ITEM 7 | 5/9 Secondary reference Rolls-Royce Ab |
NSN 5360-01-437-3191 is a Spring,helical,extension, manufactured by Halton Marine Oy, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-437-3191 has 1 manufacturer part number on file: 2331-06 (Halton Marine Oy).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-474-9307. 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.