The Spring,helical,compression, cataloged under National Stock Number 5360-00-402-3131, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-402-3131 |
| Primary Part Number | 668168 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.800 INCHES NOMINAL IN |
| Load Rating | 17.875 POUNDS MINIMUM AND 22.875 POUNDS MAXIMUM LBS |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.527 INCHES NOMINAL IN |
| Accommodated Rod Diameter | 0.636 INCHES MINIMUM AND 0.644 INCHES MAXIMUM IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.223 INCHES NOMINAL IN |
| Spring Deflection Rate | 37.900 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.627 INCHES NOMINAL IN |
| Spring Length Under Load | 0.640 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN |
| Spring Solid Outside Diameter | 0.800 INCHES NOMINAL IN |
| Coil Quantity | 6-1/2 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Bore Diameter | 0.316 INCHES NOMINAL IN |
| Material | STEEL COMP 631 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 |
|---|---|
| 668168 | Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring (USA) |
| 668168 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 668168 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 668168 | 5/9 Secondary reference Royal Oak Gage, Inc |
| 668168 | 5/2 Secondary reference U.S. Government activity |
NSN 5360-00-402-3131 is a Spring,helical,compression, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-402-3131 has 2 manufacturer part numbers on file: 668168 (Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring), 668168 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 668168: Spring Free Outside Diameter: 0.800 INCHES NOMINAL IN; Load Rating: 17.875 POUNDS MINIMUM AND 22.875 POUNDS MAXIMUM LBS; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.527 INCHES NOMINAL IN. 16 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.