The Bolt,special, cataloged under National Stock Number 5306-00-121-3579, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Irl Thermal Systems Ltd. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Bolt,special |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Irl Thermal Systems Ltd (CAGE U1841) |
| Parameter | Value |
|---|---|
| NSN | 5306-00-121-3579 |
| Primary Part Number | A102-1-2D |
| Item Name | Bolt,special |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Irl Thermal Systems Ltd |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| A102-1-2D PRIMARY | Irl Thermal Systems Ltd (GBR) |
NSN 5306-00-121-3579 is a Bolt,special, manufactured by Irl Thermal Systems Ltd, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-121-3579 has 1 manufacturer part number on file: A102-1-2D (Irl Thermal Systems Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 5306-00-878-5913, 5306-01-657-4537. Verify interchangeability with system specifications before substitution.
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.