The Nut,plain,knurled, cataloged under National Stock Number 5310-01-047-4028, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 13 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 | 5310-01-047-4028 |
| Primary Part Number | 21C5041P06 |
| Item Name | Nut,plain,knurled |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Diameter | 1.230 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN |
| Nut Thickness | 0.660 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN |
| Small End Length | 0.372 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Small End Diameter | 0.720 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN |
| Nut Style | KNURLED |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Knurl Width | 0.288 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 21C5041P06 PRIMARY | General Electric Company (USA) |
NSN 5310-01-047-4028 is a Nut,plain,knurled, manufactured by General Electric Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-047-4028 has 1 manufacturer part number on file: 21C5041P06 (General Electric Company).
Key specifications for 21C5041P06: Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.375 INCHES IN. 13 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.