The Spring,helical,extension, cataloged under National Stock Number 5360-01-187-9770, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Div Mission Systems. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-187-9770 |
| Primary Part Number | 354938 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Hamilton Sundstrand Corporation Div Mission Systems |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.250 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-=C-13924,CLASS 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 5.000 INCHES NOMINAL IN |
| Inside Diameter | 0.176 INCHES NOMINAL IN |
| Surface Treatment | OXIDE OVERALL |
| Material | STEEL COMP 302 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 |
|---|---|
| 354938 PRIMARY | Hamilton Sundstrand Corporation Div Mission Systems (USA) |
NSN 5360-01-187-9770 is a Spring,helical,extension, manufactured by Hamilton Sundstrand Corporation Div Mission Systems, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-187-9770 has 1 manufacturer part number on file: 354938 (Hamilton Sundstrand Corporation Div Mission Systems).
Key specifications for 354938: Spring Free Outside Diameter: 0.250 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-=C-13924,CLASS 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Design Type: CLOSED; Style Designator: CYLINDRICAL. 9 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.