The Nut,plain,round, cataloged under National Stock Number 5310-01-084-3381, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Qioptiq Ltd. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-084-3381 |
| Primary Part Number | 014405 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Qioptiq Ltd |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Material Document and Classification | QQ-A-200/3D FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM OVERALL EXCEPT THREADS IN |
| Drive Point Width | 0.060 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Diameter | 0.610 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Counterbore Diameter | 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM OVERALL EXCEPT THREADS IN |
| Drive Point Depth | 0.060 INCHES NOMINAL IN |
| Nut Thickness | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| 014405 PRIMARY | Qioptiq Ltd (GBR) |
NSN 5310-01-084-3381 is a Nut,plain,round, manufactured by Qioptiq Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-084-3381 has 1 manufacturer part number on file: 014405 (Qioptiq Ltd).
Key specifications for 014405: Surface Treatment Document and Classification: MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNF; Material Document and Classification: QQ-A-200/3D FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nut Counterbore Depth: 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM OVERALL EXCEPT THREADS IN. 17 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.