The Spring,helical,compression, cataloged under National Stock Number 5360-00-421-2174, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Eaton Corp Opns & Technical Center. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 49 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-421-2174 |
| Primary Part Number | 69-491 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Eaton Corp Opns & Technical Center |
| Status | ACTIVE |
| Spring Free Outside Diameter | 2.500 INCHES NOMINAL IN |
| Load Rating | 1270.000 POUNDS MINIMUM AND 1550.000 POUNDS MAXIMUM LBS |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 6.500 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 8.125 INCHES NOMINAL IN |
| Spring Deflection Rate | 1030.000 POUNDS PER INCH MINIMUM AND 1250.000 POUNDS PER INCH MAXIMUM LBS |
| Inside Diameter | 1.281 INCHES NOMINAL IN |
| Spring Length Under Load | 6.885 INCHES NOMINAL IN |
| Spring Solid Outside Diameter | 2.500 INCHES MINIMUM IN |
| Coil Quantity | 13 |
| Surface Treatment | ZINC OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-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 |
|---|---|
| 4440ALT2ITEM1 | Eaton Corp Opns & Technical Center (USA) |
| 78635W1PC22 | Eaton Corp Opns & Technical Center (USA) |
| 4850ALT1PC10 | Eaton Corp Opns & Technical Center (USA) |
| 93936W1ITEM1 | Eaton Corp Opns & Technical Center (USA) |
| 85965W1PC17 | Eaton Corp Opns & Technical Center (USA) |
| 5174ALT1ITEM1 | Eaton Corp Opns & Technical Center (USA) |
| 503-3-4M1ALT1PC20 | Eaton Corp Opns & Technical Center (USA) |
| 69-491 PRIMARY | Eaton Corp Opns & Technical Center (USA) |
| 94435W1PC20 | Eaton Corp Opns & Technical Center (USA) |
| 98449X1PC22 | Eaton Corp Opns & Technical Center (USA) |
| 4279ITEM1 | Eaton Corp Opns & Technical Center (USA) |
| 81585W1ITEM1 | Eaton Corp Opns & Technical Center (USA) |
| 5278ALT1ITEM1 | Eaton Corp Opns & Technical Center (USA) |
| 93034W1PC22 | Eaton Corp Opns & Technical Center (USA) |
| 85965W1ITEM1 | Eaton Corp Opns & Technical Center (USA) |
| 503-3-5M1PC20 | Eaton Corp Opns & Technical Center (USA) |
| 35438X4FIG1PC26 | Eaton Corp Opns & Technical Center (USA) |
| 98449X1ITEM1 | Eaton Corp Opns & Technical Center (USA) |
| 94979W1ITEM1 | Eaton Corp Opns & Technical Center (USA) |
| 503-3-3M1ALT1ITEM20 | Eaton Corp Opns & Technical Center (USA) |
| Reference | Meaning |
|---|---|
| 69-491 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5360-00-421-2174 is a Spring,helical,compression, manufactured by Eaton Corp Opns & Technical Center, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-421-2174 has 49 manufacturer part numbers on file: 4440ALT2ITEM1 (Eaton Corp Opns & Technical Center), 78635W1PC22 (Eaton Corp Opns & Technical Center), 4850ALT1PC10 (Eaton Corp Opns & Technical Center), 93936W1ITEM1 (Eaton Corp Opns & Technical Center), 85965W1PC17 (Eaton Corp Opns & Technical Center) and 44 more.
1 possible match (shared part number, not a government interchangeability claim): 5310-01-079-9886. Verify interchangeability with system specifications before substitution.
Key specifications for 69-491: Spring Free Outside Diameter: 2.500 INCHES NOMINAL IN; Load Rating: 1270.000 POUNDS MINIMUM AND 1550.000 POUNDS MAXIMUM LBS; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 6.500 INCHES NOMINAL IN. 14 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.