The Spring,helical,compression, cataloged under National Stock Number 5360-01-208-5657, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Magnatrol Valve Corp Div Clark-Cooper. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-01-208-5657 |
| Primary Part Number | 371-27A |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Magnatrol Valve Corp Div Clark-Cooper |
| Status | ACTIVE |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | ASTM A228 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL UNS K08500 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 |
|---|---|
| 371-27A PRIMARY | Magnatrol Valve Corp Div Clark-Cooper (USA) |
| Reference | Meaning |
|---|---|
| 372.16A | C/1 Advisory reference — outside the item-of-supply concept Magnatrol Valve Corp Div Clark-Cooper |
| 374.0D PIECE 50 | 5/9 Secondary reference Magnatrol Valve Corp Div Clark-Cooper |
NSN 5360-01-208-5657 is a Spring,helical,compression, manufactured by Magnatrol Valve Corp Div Clark-Cooper, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-208-5657 has 1 manufacturer part number on file: 371-27A (Magnatrol Valve Corp Div Clark-Cooper).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-305-2507. Verify interchangeability with system specifications before substitution.
Key specifications for 371-27A: End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Style Designator: CYLINDRICAL; Material Document and Classification: ASTM A228 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL UNS K08500 OVERALL. 4 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.