The Nut,plain,round, cataloged under National Stock Number 5310-01-526-9796, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 10 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 | 5310-01-526-9796 |
| Primary Part Number | 63B304073P2 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Thread Series | UNF |
| Hole Configuration Style | CONFIGURATION J |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Nut Diameter | 1.340 INCHES NOMINAL IN |
| Nut Thickness | 0.250 INCHES NOMINAL IN |
| Surface Treatment | ZINC NUT |
| Nut Style | ROUND |
| Thread Quantity Per Inch | 20 |
| Material | STEEL NUT |
| 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 |
|---|---|
| 63B304073P2 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
NSN 5310-01-526-9796 is a Nut,plain,round, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-526-9796 has 1 manufacturer part number on file: 63B304073P2 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 63B304073P2: Thread Series: UNF; Hole Configuration Style: CONFIGURATION J; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.500 INCHES IN. 10 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.