The Spring,helical,extension, cataloged under National Stock Number 5360-00-159-8640, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-159-8640 |
| Primary Part Number | 975428-1 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN |
| Load Rating | 1.35 POUNDS MINIMUM AND 1.65 POUNDS MAXIMUM LBS |
| End Style | RAISED HOOK SECOND END |
| End Style | DOBBY HOOK FIRST END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.050 INCHES NOMINAL SECOND END IN |
| Opening Width | 0.110 INCHES NOMINAL FIRST END IN |
| Material Document and Classification | AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Deflection Rate | 11.000 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.100 INCHES MINIMUM SECOND END IN |
| Coil to Hook Inside Length | 0.150 INCHES MINIMUM FIRST END IN |
| Inside Diameter | 0.246 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| Spring Length Under Load | 0.700 INCHES NOMINAL IN |
| Coil Quantity | 10 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 631 OVERALL |
| Hook Radius | 0.100 INCHES NOMINAL FIRST END IN |
| Hook Radius | 0.133 INCHES NOMINAL SECOND END IN |
| 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 |
|---|---|
| 975428-1 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 975428-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5360-00-159-8640 is a Spring,helical,extension, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-159-8640 has 1 manufacturer part number on file: 975428-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 975428-1: Spring Free Outside Diameter: 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN; Load Rating: 1.35 POUNDS MINIMUM AND 1.65 POUNDS MAXIMUM LBS; End Style: RAISED HOOK SECOND END; End Style: DOBBY HOOK FIRST END. 19 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.