The Nut,plain,knurled, cataloged under National Stock Number 5310-00-596-5939, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. 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 | 5310-00-596-5939 |
| Primary Part Number | 43201B |
| Item Name | Nut,plain,knurled |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Thread Series | UNF |
| Material Document and Classification | QQ-S-671 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Diameter | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Nut Thickness | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Small End Diameter | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nut Style | KNURLED |
| Thread Class | 2B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 1020 OVERALL |
| Knurl Width | 0.344 INCHES MINIMUM AND 0.406 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 |
|---|---|
| 43201B PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 5310-00-596-5939 is a Nut,plain,knurled, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-596-5939 has 1 manufacturer part number on file: 43201B (L3harris Technologies, Inc Div Space & Airborne Systems).
Key specifications for 43201B: Thread Series: UNF; Material Document and Classification: QQ-S-671 FED SPEC 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.