The Screw,machine, cataloged under National Stock Number 5305-01-073-5735, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Telemechanics Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-073-5735 |
| Primary Part Number | 402539 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Head Height | 0.101 INCHES NOMINAL IN |
| Screw Surface Treatment | OXIDE |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.313 INCHES NOMINAL IN |
| Screw Material | STEEL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| 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 |
|---|---|
| 402539 PRIMARY | Telemechanics Inc (USA) |
| 402539 | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| 402539 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| 402539 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 5305-01-073-5735 is a Screw,machine, manufactured by Telemechanics Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-073-5735 has 2 manufacturer part numbers on file: 402539 (Telemechanics Inc), 402539 (Lucent Technologies Inc Corporate Headquarters).
Key specifications for 402539: Head Height: 0.101 INCHES NOMINAL IN; Screw Surface Treatment: OXIDE; Fastener Length: 0.500 INCHES NOMINAL IN; Thread Length: 0.500 INCHES NOMINAL 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.