The Screw,machine, cataloged under National Stock Number 5305-01-281-2331, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Apollo Aerospace. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-281-2331 |
| Primary Part Number | A3013115-12 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Apollo Aerospace |
| Status | ACTIVE |
| Head Height | 1.75 MILLIMETERS MINIMUM AND 1.95 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 7.5 MILLIMETERS MINIMUM AND 8.0 MILLIMETERS MAXIMUM MM |
| Thread Pitch in Millimeters | 0.45 |
| Thread Length | 2.5 MILLIMETERS MINIMUM AND 8.0 MILLIMETERS MAXIMUM MM |
| Nominal Thread Diameter | 2.5 MILLIMETERS MM |
| Head Style | PAN |
| 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 | 80000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Series Designator | M |
| Head Diameter | 4.60 MILLIMETERS MINIMUM AND 4.90 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| A3013115-12 | Apollo Aerospace (USA) |
| Reference | Meaning |
|---|---|
| A3013115-12 | 5/9 Secondary reference The Seaberg Company Inc Dba Sam Medical Products Div Sam Medical Products |
| A3013115-12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-281-2331 is a Screw,machine, manufactured by Apollo Aerospace, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-281-2331 has 1 manufacturer part number on file: A3013115-12 (Apollo Aerospace).
Key specifications for A3013115-12: Head Height: 1.75 MILLIMETERS MINIMUM AND 1.95 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Screw Surface Treatment: PASSIVATE; Fastener Length: 7.5 MILLIMETERS MINIMUM AND 8.0 MILLIMETERS MAXIMUM MM. 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.