The Spring,helical,extension, cataloged under National Stock Number 5360-00-286-4537, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Simplex Time Recorder Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-286-4537 |
| Primary Part Number | R327 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Simplex Time Recorder Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.220 INCHES NOMINAL IN |
| Load Rating | 2.00 POUNDS NOMINAL LBS |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.673 INCHES NOMINAL IN |
| Inside Diameter | 0.172 INCHES NOMINAL IN |
| Spring Length Under Load | 2.281 INCHES NOMINAL IN |
| Coil Quantity | 40 |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hook Radius | 0.086 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 |
|---|---|
| R327 | Simplex Time Recorder Llc (USA) |
| Reference | Meaning |
|---|---|
| SCB99094 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-00-286-4537 is a Spring,helical,extension, manufactured by Simplex Time Recorder Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-286-4537 has 1 manufacturer part number on file: R327 (Simplex Time Recorder Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5905-00-965-6290, 6675-01-115-5280. Verify interchangeability with system specifications before substitution.
Key specifications for R327: Spring Free Outside Diameter: 0.220 INCHES NOMINAL IN; Load Rating: 2.00 POUNDS NOMINAL LBS; End Style: SHORT TWISTED HOOK BOTH ENDS; Design Type: CLOSED. 12 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.