The Screw,machine, cataloged under National Stock Number 5305-00-286-8971, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lucent Technologies Inc Corporate Headquarters. Government technical data includes 14 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-286-8971 |
| Primary Part Number | 151442 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Head Height | 0.094 INCHES NOMINAL IN |
| Screw Surface Treatment | NICKEL |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Features Provided | CASEHARDENED |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.250 INCHES NOMINAL IN |
| Screw Material | STEEL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 151442 PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| 151442 | 3/9 Design control — primary reference Lucent Technologies Inc Dba Federal Marketing Group |
| 151442 | 5/9 Secondary reference At and T Teletype Corp |
| 151442 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 8539 | 5/9 Secondary reference Telemechanics Inc |
NSN 5305-00-286-8971 is a Screw,machine, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-286-8971 has 1 manufacturer part number on file: 151442 (Lucent Technologies Inc Corporate Headquarters).
6 possible matches (shared part number, not a government interchangeability claim): 6605-00-424-9158, 2810-00-563-2851, 5305-00-639-6399. Verify interchangeability with system specifications before substitution.
Key specifications for 151442: Head Height: 0.094 INCHES NOMINAL IN; Screw Surface Treatment: NICKEL; Fastener Length: 0.500 INCHES NOMINAL IN; Thread Length: 0.500 INCHES MAXIMUM IN. 14 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.