The Nut,plain,round, cataloged under National Stock Number 5310-01-045-2300, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Stratotech Llc. Government technical data includes 10 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 | 5310-01-045-2300 |
| Primary Part Number | 385 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Stratotech Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541 TY 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nut Counterbore Depth | 0.440 INCHES NOMINAL FIRST END IN |
| Thread Direction | RIGHT-HAND |
| Nut Diameter | 2.375 INCHES NOMINAL IN |
| Counterbore Diameter | 2.005 INCHES MINIMUM AND 2.015 INCHES MAXIMUM FIRST END IN |
| Nut Thickness | 1.100 INCHES NOMINAL IN |
| Surface Treatment | OXIDE FILM OVERALL |
| Countersink Angle | 45.0 DEGREES NOMINAL SECOND END |
| Nut Style | ROUND |
| Material | ALUMINUM 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 |
|---|---|
| 385 PRIMARY | Stratotech Llc (USA) |
NSN 5310-01-045-2300 is a Nut,plain,round, manufactured by Stratotech Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-045-2300 has 1 manufacturer part number on file: 385 (Stratotech Llc).
Key specifications for 385: Surface Treatment Document and Classification: MIL-C-5541 TY 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Nut Counterbore Depth: 0.440 INCHES NOMINAL FIRST END IN; Thread Direction: RIGHT-HAND; Nut Diameter: 2.375 INCHES NOMINAL IN. 10 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.