The Bolt,machine, cataloged under National Stock Number 5306-01-531-0843, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Mra Systems, Llc. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Bolt,machine |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Mra Systems, Llc (CAGE 1B6R3); Ge Engine Services Distribution, L.l.c. (CAGE 062W0) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-531-0843 |
| Primary Part Number | 491B0700050-001 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Mra Systems, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 491B0700050-001 PRIMARY | Mra Systems, Llc (USA) |
| 491B0700050-001 | Ge Engine Services Distribution, L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| 491B0700050-001 | 5/9 Secondary reference General Electric Company |
NSN 5306-01-531-0843 is a Bolt,machine, manufactured by Mra Systems, Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-531-0843 has 2 manufacturer part numbers on file: 491B0700050-001 (Mra Systems, Llc), 491B0700050-001 (Ge Engine Services Distribution, L.l.c.).
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.