The Nut,plain,knurled, cataloged under National Stock Number 5310-00-697-0601, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-697-0601 |
| Primary Part Number | 323969 |
| Item Name | Nut,plain,knurled |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNEF |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Nut Diameter | 0.609 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Nut Thickness | 0.234 INCHES NOMINAL IN |
| Surface Treatment | PAINT OVERALL |
| Nut Style | KNURLED |
| Thread Class | 2B |
| Thread Quantity Per Inch | 28 |
| Material | ALUMINUM ALLOY 2024 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 |
|---|---|
| 323969 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 323969 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5310-00-697-0601 is a Nut,plain,knurled, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-697-0601 has 1 manufacturer part number on file: 323969 (Northrop Grumman Systems Corporation).
Key specifications for 323969: Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNEF; Material Document and Classification: QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 12 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.