The Spring,helical,compression, cataloged under National Stock Number 5360-00-263-6757, 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 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. 3 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 | 5360-00-263-6757 |
| Primary Part Number | 476309 |
| 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 | 1.974 INCHES MINIMUM AND 2.004 INCHES MAXIMUM IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 3.359 INCHES MINIMUM AND 3.391 INCHES MAXIMUM IN |
| Spring Deflection Rate | 565.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 1.359 INCHES MINIMUM AND 1.391 INCHES MAXIMUM IN |
| Coil Quantity | 6-3/4 |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL 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 |
|---|---|
| 476309 PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
NSN 5360-00-263-6757 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 5360-00-263-6757 has 1 manufacturer part number on file: 476309 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).
3 possible matches (shared part number, not a government interchangeability claim): 5930-00-755-3754, 5961-01-146-2062, 5930-01-460-4833. Verify interchangeability with system specifications before substitution.
Key specifications for 476309: Spring Free Outside Diameter: 1.974 INCHES MINIMUM AND 2.004 INCHES MAXIMUM IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Style Designator: CYLINDRICAL; Spring Free Length: 3.359 INCHES MINIMUM AND 3.391 INCHES MAXIMUM IN. 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.