The Spring,helical,extension, cataloged under National Stock Number 5360-01-230-8448, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Atlantic Inertial Systems Limited. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-01-230-8448 |
| Primary Part Number | 283550-1320 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Atlantic Inertial Systems Limited |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.000 INCHES NOMINAL IN |
| End Style | FULL LOOP OVERALL |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-470 FED SPEC 1ST MATERIAL RESPONSE OR AMS 5112 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Spring Free Length | 3.500 INCHES NOMINAL IN |
| Spring Deflection Rate | 8.700 POUNDS PER INCH NOMINAL LBS |
| Material | STEEL UNS K08500 OR STEEL COMP 1090 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 |
|---|---|
| 283550-1320 | Atlantic Inertial Systems Limited (GBR) |
| PDS-016-001 | Atlantic Inertial Systems Limited (GBR) |
| E1000-095-3500M | Terry of Redditch Ltd (GBR) |
| Reference | Meaning |
|---|---|
| E1000-095-3500M | 3/9 Design control — primary reference U.S. Government activity |
NSN 5360-01-230-8448 is a Spring,helical,extension, manufactured by Atlantic Inertial Systems Limited, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-230-8448 has 3 manufacturer part numbers on file: 283550-1320 (Atlantic Inertial Systems Limited), PDS-016-001 (Atlantic Inertial Systems Limited), E1000-095-3500M (Terry of Redditch Ltd).
Key specifications for 283550-1320: Spring Free Outside Diameter: 1.000 INCHES NOMINAL IN; End Style: FULL LOOP OVERALL; Design Type: CLOSED; Style Designator: CYLINDRICAL. 8 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.