The Spring,helical,compression, cataloged under National Stock Number 5360-00-054-3345, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Titan Spring, Inc. Dba Titan Spring and Wire Products. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-054-3345 |
| Primary Part Number | 3161521 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Titan Spring, Inc. Dba Titan Spring and Wire Products |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.250 INCHES NOMINAL IN |
| Load Rating | 8.000 POUNDS NOMINAL LBS |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 3.600 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 5.750 INCHES MINIMUM AND 6.250 INCHES MAXIMUM IN |
| Inside Diameter | 0.168 INCHES NOMINAL IN |
| Spring Length Under Load | 4.000 INCHES NOMINAL IN |
| Spring Solid Outside Diameter | 0.250 INCHES NOMINAL IN |
| Coil Quantity | 8 1/2 |
| Surface Treatment | PASSIVATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Bore Diameter | 0.260 INCHES NOMINAL IN |
| Material | STEEL COMP 302 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 |
|---|---|
| 3161521 PRIMARY | Titan Spring, Inc. Dba Titan Spring and Wire Products (USA) |
| Reference | Meaning |
|---|---|
| 3161521 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
NSN 5360-00-054-3345 is a Spring,helical,compression, manufactured by Titan Spring, Inc. Dba Titan Spring and Wire Products, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-054-3345 has 1 manufacturer part number on file: 3161521 (Titan Spring, Inc. Dba Titan Spring and Wire Products).
Key specifications for 3161521: Spring Free Outside Diameter: 0.250 INCHES NOMINAL IN; Load Rating: 8.000 POUNDS NOMINAL LBS; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 3.600 INCHES NOMINAL IN. 15 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.