The Spring,helical,extension, cataloged under National Stock Number 5360-01-175-0127, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Land & Armaments L.p.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-175-0127 |
| Primary Part Number | 1376-63-128 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Spring Free Outside Diameter | 10.8 MILLIMETERS NOMINAL MM |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 86.6 MILLIMETERS NOMINAL MM |
| Inside Diameter | 9.2 MILLIMETERS NOMINAL MM |
| Coil Quantity | 10 |
| Coil Helix Direction | RIGHT-HAND |
| Hook Radius | 8.0 MILLIMETERS NOMINAL BOTH ENDS MM |
| 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 |
|---|---|
| 1376-63-128 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| Reference | Meaning |
|---|---|
| 5518507 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5360-01-175-0127 is a Spring,helical,extension, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-175-0127 has 1 manufacturer part number on file: 1376-63-128 (Bae Systems Land & Armaments L.p.).
Key specifications for 1376-63-128: Spring Free Outside Diameter: 10.8 MILLIMETERS NOMINAL MM; End Style: SHORT TWISTED HOOK BOTH ENDS; 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.