The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-725-8652, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Accurate Screw Machine Corp Div Accurate Screw Machine Corporation. Government technical data includes 11 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 | 5310-01-725-8652 |
| Primary Part Number | 903066-SS-1 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
| Status | ACTIVE |
| Width Across Flats | 0.125 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Material Document and Classification | ASTM-A581 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) 1ST MATERIAL RESPONSE OR QQS-764B FED SPEC 1ST MATERIAL RESPONSE OR AMS 5732, 5737 OR2303E(17-4PH) AEROSPACE MATERIAL SPEC STD 2ND MATERIAL RESPONSE OR ASTM A484-03A AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) 2ND MATERIAL RESPONSE OVERALL A |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Nut Height | 0.625 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 303 OR IRON ALLOY 660 OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| 903066-SS-1 PRIMARY | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
NSN 5310-01-725-8652 is a Nut,plain,hexagon, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-725-8652 has 1 manufacturer part number on file: 903066-SS-1 (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).
Key specifications for 903066-SS-1: Width Across Flats: 0.125 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Material Document and Classification: ASTM-A581 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) 1ST MATERIAL RESPONSE OR QQS-764B FED SPEC 1ST MATERIAL RESPONSE OR AMS 5732, 5737 OR2303E(17-4PH) AEROSPACE MATERIAL SPEC STD 2ND MATERIAL RESPONSE OR ASTM A484-03A AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) 2ND MATERIAL RESPONSE OVERALL A; Thread Direction: RIGHT-HAND. 11 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.