The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-618-8651, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mra Systems, Llc. Government technical data includes 2 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-618-8651 |
| Primary Part Number | 491B1313141-001 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mra Systems, Llc |
| Status | ACTIVE |
| Assembly Overall Height | 0.25 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 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 |
|---|---|
| 491B1313141-001 | Ge Engine Services Distribution, L.l.c. (USA) |
| 491B1313141-001 PRIMARY | Mra Systems, Llc (USA) |
NSN 5310-01-618-8651 is a Nut Assembly,self-Locking,gang C, manufactured by Mra Systems, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-618-8651 has 2 manufacturer part numbers on file: 491B1313141-001 (Ge Engine Services Distribution, L.l.c.), 491B1313141-001 (Mra Systems, Llc).
Key specifications for 491B1313141-001: Overall Length: 20.5 INCHES NOMINAL IN; Overall Width: 0.5 INCHES NOMINAL IN; Assembly Overall Height: 0.25 INCHES NOMINAL IN; End Item Identification: C-5M AIRCRAFT. 2 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.