The Screw,machine, cataloged under National Stock Number 5305-00-211-9156, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Allmetal Screw Products Corp. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-211-9156 |
| Primary Part Number | A6BMS0312G |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Allmetal Screw Products Corp |
| Status | ACTIVE |
| Head Height | 0.062 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Screw Material Document and Classification | QQ-S-763,300 SERIES FED SPEC SINGLE MATERIAL RESPONSE OR 66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OR COMP 16-18 OR 18-8 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.302 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.099 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL CORROSION RESISTING |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 48 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.180 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN |
| 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 |
|---|---|
| A6BMS0312G PRIMARY | Allmetal Screw Products Corp (USA) |
| Reference | Meaning |
|---|---|
| 3-48UNC2A3-8 | 5/9 Secondary reference Allmetal Screw Products Corp |
NSN 5305-00-211-9156 is a Screw,machine, manufactured by Allmetal Screw Products Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-211-9156 has 1 manufacturer part number on file: A6BMS0312G (Allmetal Screw Products Corp).
Key specifications for A6BMS0312G: Head Height: 0.062 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Screw Material Document and Classification: QQ-S-763,300 SERIES FED SPEC SINGLE MATERIAL RESPONSE OR 66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OR COMP 16-18 OR 18-8 ASSN STD SINGLE MATERIAL RESPONSE. 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.