The Screw,machine, cataloged under National Stock Number 5305-01-080-2971, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Amphenol Corporation Div Amphenol Rf. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-080-2971 |
| Primary Part Number | PM22239 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Amphenol Corporation Div Amphenol Rf |
| Status | ACTIVE |
| Head Height | 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN |
| Screw Surface Treatment | CADMIUM AND CHROMATE |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Screw Material Document and Classification | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.200 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.125 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 1010 |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.187 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 2 FED SPEC 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 |
|---|---|
| PM22239 PRIMARY | Amphenol Corporation Div Amphenol Rf (USA) |
| Reference | Meaning |
|---|---|
| PM22239 | 5/9 Secondary reference U.S. Government activity |
| PM22239 | 5/9 Secondary reference Unison Industries Llc |
| PM22239 | 5/2 Secondary reference U.S. Government activity |
| PM22239 | 5/9 Secondary reference Microwave Devices Inc |
NSN 5305-01-080-2971 is a Screw,machine, manufactured by Amphenol Corporation Div Amphenol Rf, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-080-2971 has 1 manufacturer part number on file: PM22239 (Amphenol Corporation Div Amphenol Rf).
Key specifications for PM22239: Head Height: 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN; Screw Surface Treatment: CADMIUM AND CHROMATE; Fastener Length: 0.250 INCHES NOMINAL IN; Screw Material Document and Classification: ASTM A108 ASSN STD 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.