The Spring,helical,extension, cataloged under National Stock Number 5360-00-312-4850, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is The Dewey Electronics Corporation Div Pitometer Log Division. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-312-4850 |
| Primary Part Number | S2728 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Dewey Electronics Corporation Div Pitometer Log Division |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5360-00-312-4850 is a Spring,helical,extension, manufactured by The Dewey Electronics Corporation Div Pitometer Log Division, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-312-4850 has 2 manufacturer part numbers on file: 147-2PC99 (The Dewey Electronics Corporation Div Pitometer Log Division), S2728 (The Dewey Electronics Corporation Div Pitometer Log Division).
1 possible match (shared part number, not a government interchangeability claim): 2530-00-618-9090. Verify interchangeability with system specifications before substitution.
Key specifications for S2728: Material: STEEL OVERALL. 1 specification is 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.