The Nut,plain,knurled, cataloged under National Stock Number 5310-01-043-6347, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corporation. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-043-6347 |
| Primary Part Number | 8004519-4 |
| Item Name | Nut,plain,knurled |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-Z-325,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nut Counterbore Depth | 0.295 INCHES NOMINAL NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Nut Diameter | 0.315 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Counterbore Diameter | 0.245 INCHES MINIMUM AND 0.253 INCHES MAXIMUM NUT IN |
| Nut Thickness | 0.485 INCHES NOMINAL IN |
| Small End Length | 0.440 INCHES NOMINAL IN |
| Small End Diameter | 0.375 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Countersink Angle | 90.0 DEGREES NOMINAL NUT |
| Nut Style | KNURLED |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 1215 OVERALL |
| Knurl Width | 0.035 INCHES NOMINAL 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 |
|---|---|
| 8004519-4 PRIMARY | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
NSN 5310-01-043-6347 is a Nut,plain,knurled, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-043-6347 has 1 manufacturer part number on file: 8004519-4 (L3harris Technologies, Inc. Dba Harris Corporation).
Key specifications for 8004519-4: Surface Treatment Document and Classification: QQ-Z-325,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Nut Counterbore Depth: 0.295 INCHES NOMINAL NUT IN; Thread Direction: RIGHT-HAND. 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.