The Spring,helical,compression, cataloged under National Stock Number 5360-00-332-8924, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-332-8924 |
| Primary Part Number | 99-546 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.141 INCHES NOMINAL IN |
| Load Rating | 3.500 POUNDS NOMINAL LBS |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.266 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 0.410 INCHES NOMINAL IN |
| Inside Diameter | 0.101 INCHES NOMINAL IN |
| Spring Length Under Load | 0.312 INCHES NOMINAL IN |
| Coil Quantity | 11 |
| Surface Treatment | PASSIVATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| 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 |
|---|---|
| 99-546 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| 99-546 | Hoosier Spring Co Inc Div Hoosier Spring (USA) |
| Reference | Meaning |
|---|---|
| 99-546 | 5/9 Secondary reference U.S. Government activity |
| 99-546 | 5/9 Secondary reference Donallco Inc |
| 99-546 | 5/9 Secondary reference A. J. Kay Co. |
NSN 5360-00-332-8924 is a Spring,helical,compression, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-332-8924 has 2 manufacturer part numbers on file: 99-546 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 99-546 (Hoosier Spring Co Inc Div Hoosier Spring).
2 possible matches (shared part number, not a government interchangeability claim): 5970-00-393-6209, 5355-00-795-3329. Verify interchangeability with system specifications before substitution.
Key specifications for 99-546: Spring Free Outside Diameter: 0.141 INCHES NOMINAL IN; Load Rating: 3.500 POUNDS NOMINAL LBS; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.266 INCHES NOMINAL IN. 12 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.