The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-043-4492, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Amphenol Corp Div Amphenol Aerospace Operations. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-043-4492 |
| Primary Part Number | 10-123017-181 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Amphenol Corp Div Amphenol Aerospace Operations |
| Status | ACTIVE |
| Width Across Flats | 1.438 INCHES NOMINAL IN |
| Thread Series | UNEF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.250 INCHES IN |
| Nut Height | 0.125 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 18 |
| Material | ALUMINUM ALLOY OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 839182 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA) |
| 10-123017-181 PRIMARY | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| 839182-00 | 5/9 Secondary reference Defense Reduction Agency |
NSN 5310-00-043-4492 is a Nut,plain,hexagon, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-043-4492 has 2 manufacturer part numbers on file: 839182 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament), 10-123017-181 (Amphenol Corp Div Amphenol Aerospace Operations).
Key specifications for 10-123017-181: Width Across Flats: 1.438 INCHES NOMINAL IN; Thread Series: UNEF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.250 INCHES IN. 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.