The Spring,helical,extension, cataloged under National Stock Number 5360-00-874-2907, 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 Div Aerospace-South Bend (bendix Dr). Government technical data includes 6 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 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 | 5360-00-874-2907 |
| Primary Part Number | 31856 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.547 INCHES NOMINAL IN |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | ASTM A227-41 ASSN STD 1ST MATERIAL RESPONSE AND ASTM 229-41 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Spring Free Length | 5.973 INCHES NOMINAL IN |
| Inside Diameter | 0.351 INCHES NOMINAL 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 |
|---|---|
| 31856 PRIMARY | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA) |
NSN 5360-00-874-2907 is a Spring,helical,extension, manufactured by Honeywell International Inc Div Aerospace-South Bend (bendix Dr), classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-874-2907 has 1 manufacturer part number on file: 31856 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-434-7498. Verify interchangeability with system specifications before substitution.
Key specifications for 31856: Spring Free Outside Diameter: 0.547 INCHES NOMINAL IN; Design Type: CLOSED; Style Designator: CYLINDRICAL; Material Document and Classification: ASTM A227-41 ASSN STD 1ST MATERIAL RESPONSE AND ASTM 229-41 ASSN STD 2ND MATERIAL RESPONSE OVERALL. 6 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.