The Nut,plain,round, cataloged under National Stock Number 5310-00-941-0179, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-941-0179 |
| Primary Part Number | 489228 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNEF |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Thread Pitch Diameters | +0.4173 TO 0.4208 INCHES IN |
| Material Document and Classification | AMS 6381 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.438 INCHES IN |
| Nut Diameter | 0.835 INCHES MINIMUM AND 0.855 INCHES MAXIMUM IN |
| Drive Point Depth | 0.068 INCHES NOMINAL IN |
| Nut Thickness | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Countersink Angle | 90.0 DEGREES NOMINAL NUT |
| Drive Point Quantity | 8 |
| Nut Style | ROUND |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 4140 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 |
|---|---|
| 489228 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 489228 | 5/9 Secondary reference Royal Oak Gage, Inc |
NSN 5310-00-941-0179 is a Nut,plain,round, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-941-0179 has 1 manufacturer part number on file: 489228 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 489228: Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNEF; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM; Thread Pitch Diameters: +0.4173 TO 0.4208 INCHES 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.