The Spring,helical,extension, cataloged under National Stock Number 5360-00-320-7153, 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 Information and Electronic Systems Integration Inc.. Government technical data includes 13 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 | 5360-00-320-7153 |
| Primary Part Number | B424-214 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.228 INCHES NOMINAL IN |
| End Style | EYE LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | SAE 303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.103 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.266 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.156 INCHES NOMINAL IN |
| Coil Quantity | 14 |
| Surface Treatment | PASSIVATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 303 OVERALL |
| Hook Radius | 0.078 INCHES NOMINAL BOTH ENDS 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 |
|---|---|
| B424-214 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
NSN 5360-00-320-7153 is a Spring,helical,extension, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-320-7153 has 1 manufacturer part number on file: B424-214 (Bae Systems Information and Electronic Systems Integration Inc.).
Key specifications for B424-214: Spring Free Outside Diameter: 0.228 INCHES NOMINAL IN; End Style: EYE LOOP BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 13 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.