The Spring,helical,compression, cataloged under National Stock Number 5360-00-290-8910, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 10 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-290-8910 |
| Primary Part Number | A45 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.134 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 2.250 INCHES NOMINAL IN |
| Spring Deflection Rate | 410.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.750 INCHES NOMINAL IN |
| Coil Quantity | 8-1/2 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-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 |
|---|---|
| TYPE1506-1-110 | Joy Global Underground Mining Llc (USA) |
| A45 PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| 185450-376-8 | 5/9 Secondary reference U.S. Government activity |
| 621PC170J | 5/9 Secondary reference Cooper Industries Industrial Machinery Div |
| 78N25 | 5/9 Secondary reference Cooper Industries Inc Dba Cooper Tools |
| 185450-376-8 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| 603ITEM29 | 5/9 Secondary reference Cooper Industries Industrial Machinery Div |
| TYPE1506-1-110 | 5/9 Secondary reference U.S. Government activity |
| 621PC170J | 5/9 Secondary reference Cooper Industries Inc Dba Cooper Tools |
| 603ITEM29 | 5/9 Secondary reference Cooper Industries Inc Dba Cooper Tools |
| 185450-376-8 | 5/9 Secondary reference Ingersoll Rand Co |
| 185450-376-8 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 78N25 | 5/9 Secondary reference Cooper Industries Industrial Machinery Div |
NSN 5360-00-290-8910 is a Spring,helical,compression, manufactured by Ashcroft Inc Dba Heise, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-290-8910 has 2 manufacturer part numbers on file: TYPE1506-1-110 (Joy Global Underground Mining Llc), A45 (Ashcroft Inc Dba Heise).
9 possible matches (shared part number, not a government interchangeability claim): 6680-00-346-6051, 5330-00-516-8223, 5930-00-776-0678. Verify interchangeability with system specifications before substitution.
Key specifications for A45: Spring Free Outside Diameter: 1.134 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Style Designator: CYLINDRICAL; Spring Free Length: 2.250 INCHES NOMINAL IN. 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.