The Screw,machine, cataloged under National Stock Number 5305-01-218-3796, 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 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-218-3796 |
| Primary Part Number | A1ANF0410G |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Allmetal Screw Products Corp |
| Status | ACTIVE |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Screw Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES |
| Thread Length | 0.183 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385 |
| Minimum Tensile Strength | 70000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.200 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-35 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 |
|---|---|
| A1ANF0410G | Allmetal Screw Products Corp (USA) |
| Reference | Meaning |
|---|---|
| 371660-405 | 3/9 Design control — primary reference Lawrence Engineering and Supply Inc |
| 371660-405 | 5/9 Secondary reference Raytheon Company Div Corp |
| 371660-405 | 7/2 Vendor item drawing reference Raytheon Company Dba Raytheon Co |
NSN 5305-01-218-3796 is a Screw,machine, manufactured by Allmetal Screw Products Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-218-3796 has 1 manufacturer part number on file: A1ANF0410G (Allmetal Screw Products Corp).
Key specifications for A1ANF0410G: Screw Surface Treatment: PASSIVATE; Fastener Length: 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Screw Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES; Thread Length: 0.183 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN. 16 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.