The Spring,helical,compression, cataloged under National Stock Number 5360-01-558-5148, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5360-01-558-5148 |
| Primary Part Number | S-275 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp. |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.630 INCHES NOMINAL IN |
| Load Rating | 35.00 POUNDS MAXIMUM LBS |
| Spring Solid Length | 2.500 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 3.750 INCHES NOMINAL IN |
| Spring Deflection Rate | 14.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 1.380 INCHES NOMINAL IN |
| Stock Diameter | 0.125 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| S-275 PRIMARY | Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp. (USA) |
| Reference | Meaning |
|---|---|
| A3301706 | D/9 Drawing number reference only U.S. Government activity |
| A3301706-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5360-01-558-5148 is a Spring,helical,compression, 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 5360-01-558-5148 has 1 manufacturer part number on file: S-275 (Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp.).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-678-1311. Verify interchangeability with system specifications before substitution.
Key specifications for S-275: Spring Free Outside Diameter: 1.630 INCHES NOMINAL IN; Load Rating: 35.00 POUNDS MAXIMUM LBS; Spring Solid Length: 2.500 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 9 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.