The Spring,helical,compression, cataloged under National Stock Number 5360-00-291-7110, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 10 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-291-7110 |
| Primary Part Number | A1639 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.800 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | JAN-S-1160,GRADE 1,TYPE A-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.250 INCHES NOMINAL IN |
| Inside Diameter | 0.416 INCHES NOMINAL IN |
| Coil Quantity | 5 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | 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 |
|---|---|
| A1639 PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| Reference | Meaning |
|---|---|
| N566PC149 | 5/9 Secondary reference Ingersoll Rand Co |
| HL13281ITEM35 | 5/9 Secondary reference U.S. Government activity |
| B6996-4 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| A1639 | 5/9 Secondary reference Ingersoll Rand Co |
| N574PC149 | 5/9 Secondary reference Ingersoll Rand Co |
| N460PC149 | 5/9 Secondary reference Ingersoll Rand Co |
NSN 5360-00-291-7110 is a Spring,helical,compression, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-291-7110 has 1 manufacturer part number on file: A1639 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
6 possible matches (shared part number, not a government interchangeability claim): 2920-00-506-4431, 5935-00-721-2307, 8455-01-528-8557. Verify interchangeability with system specifications before substitution.
Key specifications for A1639: Spring Free Outside Diameter: 0.800 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Style Designator: CYLINDRICAL; Material Document and Classification: JAN-S-1160,GRADE 1,TYPE A-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 10 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.