The Spring,helical,compression, cataloged under National Stock Number 5360-00-879-9474, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Senior Operations Llc Div Senior Aerospace Ketema. Government technical data includes 11 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. 4 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 | 5360-00-879-9474 |
| Primary Part Number | 148-56 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Senior Operations Llc Div Senior Aerospace Ketema |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.500 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED BOTH ENDS |
| Accommodated Rod Diameter | 0.250 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | FED STD NO. 66,AISI/SAE FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.912 INCHES NOMINAL IN |
| Inside Diameter | 0.430 INCHES NOMINAL IN |
| Coil Quantity | 4.875 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Bore Diameter | 0.530 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 |
|---|---|
| 148-56 PRIMARY | Senior Operations Llc Div Senior Aerospace Ketema (USA) |
NSN 5360-00-879-9474 is a Spring,helical,compression, manufactured by Senior Operations Llc Div Senior Aerospace Ketema, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-879-9474 has 1 manufacturer part number on file: 148-56 (Senior Operations Llc Div Senior Aerospace Ketema).
4 possible matches (shared part number, not a government interchangeability claim): 5315-01-549-0526, 6550-01-579-4371, 1005-01-628-6080. Verify interchangeability with system specifications before substitution.
Key specifications for 148-56: Spring Free Outside Diameter: 0.500 INCHES NOMINAL IN; End Style: SPRING END,SQUARED BOTH ENDS; Accommodated Rod Diameter: 0.250 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 11 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.