The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-995-8948, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lucent Technologies Inc Corporate Headquarters. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-995-8948 |
| Primary Part Number | P210609 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Height | 0.188 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| P210609 PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| P211910 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 210609 | 5/9 Secondary reference American Telephone and Telegraph Co |
| P210609 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| P210609 | 3/9 Design control — primary reference American Telephone and Telegraph Co |
NSN 5310-00-995-8948 is a Nut,plain,hexagon, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-995-8948 has 1 manufacturer part number on file: P210609 (Lucent Technologies Inc Corporate Headquarters).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-379-1437. Verify interchangeability with system specifications before substitution.
Key specifications for P210609: Width Across Flats: 0.500 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 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.