The Screw,machine, cataloged under National Stock Number 5305-01-266-8335, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit. Government technical data includes 15 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 | 5305-01-266-8335 |
| Primary Part Number | 31763-2 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit |
| Status | ACTIVE |
| Head Height | 0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Screw Surface Treatment | ZINC AND CHROMATE |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Screw Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Screw Material | COPPER ALLOY |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| 31763-2 PRIMARY | Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit (USA) |
NSN 5305-01-266-8335 is a Screw,machine, manufactured by Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-266-8335 has 1 manufacturer part number on file: 31763-2 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit).
Key specifications for 31763-2: Head Height: 0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Screw Surface Treatment: ZINC AND CHROMATE; Fastener Length: 0.250 INCHES NOMINAL IN; Screw Material Document and Classification: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE. 15 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.