The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-655-9606, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-655-9606 |
| Primary Part Number | 54B6974402 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Width Across Flats | 0.302 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Nut Height | 0.102 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN |
| Countersink Angle | 110.0 DEGREES NOMINAL NUT |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | COPPER ALLOY OVERALL |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| 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 |
|---|---|
| 54B6974402 | Westinghouse Electric Corp (USA) |
| 73103-154 | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| AN340B6 | B-N Group Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 7407641G001 | 5/9 Secondary reference General Electric Company |
| 6&32BNP | C/1 Advisory reference — outside the item-of-supply concept Allmetal Screw Products Corp |
| 54B6974402 | 3/2 Design control — primary reference U.S. Government activity |
| 61501131006 | 3/2 Design control — primary reference U.S. Government activity |
| 73103-154 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms |
| AN340B6 | 4/1 Identification reference U.S. Government activity |
| 73103-154 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5310-00-655-9606 is a Nut,plain,hexagon, manufactured by Westinghouse Electric Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-655-9606 has 3 manufacturer part numbers on file: 54B6974402 (Westinghouse Electric Corp), 73103-154 (L3 Technologies, Inc. Div Communication Systems-East), AN340B6 (B-N Group Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5310-00-703-0744. Verify interchangeability with system specifications before substitution.
Key specifications for 54B6974402: Width Across Flats: 0.302 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.138 INCHES IN. 11 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.