The Nut,plain,square, cataloged under National Stock Number 5310-01-169-2079, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Tighitco Inc.. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Nut,plain,square |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Tighitco Inc. (CAGE 4R582); Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (CAGE 78286); Falcon Manufacturing Corp (CAGE 0HM72) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-169-2079 |
| Primary Part Number | 65312-12188-103 |
| Item Name | Nut,plain,square |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Tighitco Inc. |
| 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 |
|---|---|
| 65312-12188-103 PRIMARY | Tighitco Inc. (USA) |
| 65312-12188-103 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 65312-12188-103 | Falcon Manufacturing Corp (USA) |
NSN 5310-01-169-2079 is a Nut,plain,square, manufactured by Tighitco Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-169-2079 has 3 manufacturer part numbers on file: 65312-12188-103 (Tighitco Inc.), 65312-12188-103 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 65312-12188-103 (Falcon Manufacturing Corp).
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.