The Spring,helical,compression, cataloged under National Stock Number 5360-00-429-0882, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 12 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 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 | 5360-00-429-0882 |
| Primary Part Number | 475121 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.671 INCHES MINIMUM AND 1.703 INCHES MAXIMUM IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 1.688 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 2.594 INCHES MINIMUM AND 2.656 INCHES MAXIMUM IN |
| Spring Deflection Rate | 700.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN |
| Spring Solid Outside Diameter | 1.671 INCHES MINIMUM AND 1.703 INCHES MAXIMUM IN |
| Coil Quantity | 6 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| 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 |
|---|---|
| 475121 PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
NSN 5360-00-429-0882 is a Spring,helical,compression, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-429-0882 has 1 manufacturer part number on file: 475121 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).
2 possible matches (shared part number, not a government interchangeability claim): 2530-01-153-2770, 5365-01-371-7921. Verify interchangeability with system specifications before substitution.
Key specifications for 475121: Spring Free Outside Diameter: 1.671 INCHES MINIMUM AND 1.703 INCHES MAXIMUM IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 1.688 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 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.