The Spring,helical,extension, cataloged under National Stock Number 5360-01-620-9520, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 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.
| Parameter | Value |
|---|---|
| NSN | 5360-01-620-9520 |
| Primary Part Number | D-1104 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp. |
| Status | ACTIVE |
| Load Rating | 28.0 POUNDS NOMINAL LBS |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 2.0 INCHES NOMINAL IN |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| Distance Between Ends | 2.0 INCHES NOMINAL IN |
| 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 |
|---|---|
| D-1104 PRIMARY | Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp. (USA) |
NSN 5360-01-620-9520 is a Spring,helical,extension, manufactured by Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-620-9520 has 1 manufacturer part number on file: D-1104 (Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp.).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-658-3463. Verify interchangeability with system specifications before substitution.
Key specifications for D-1104: Load Rating: 28.0 POUNDS NOMINAL LBS; Style Designator: CYLINDRICAL; Spring Free Length: 2.0 INCHES NOMINAL IN; Inside Diameter: 0.375 INCHES NOMINAL IN. 5 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.
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.