The Nut,self-Locking,internal Wrench, cataloged under National Stock Number 5310-01-655-3200, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bristol Industries, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Nut,self-Locking,internal Wrench |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Bristol Industries, Llc (CAGE 27238) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-655-3200 |
| Primary Part Number | 90-130-16L |
| Item Name | Nut,self-Locking,internal Wrench |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bristol Industries, 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 |
|---|---|
| 90-130-16L PRIMARY | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| 90-130-16L | 1/2 Source control — Government-approved source U.S. Government activity |
| 90-130 | D/9 Drawing number reference only U.S. Government activity |
NSN 5310-01-655-3200 is a Nut,self-Locking,internal Wrench, manufactured by Bristol Industries, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-655-3200 has 1 manufacturer part number on file: 90-130-16L (Bristol Industries, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-655-3953. 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.