The Screw,machine, cataloged under National Stock Number 5305-01-520-9400, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-520-9400 |
| Primary Part Number | NAS5312E3-10 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Thread Length | 0.545 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Spline Major Diameter | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Screw Material | IRON ALLOY 660 |
| Minimum Tensile Strength | 3180 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | TORX |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Screw Surface Treatment Document and Classification | AMS2700METHOD 1,TYPE2 ASSN STD ALL TREATMENT RESPONSES OR AMS2700METHOD 1,TYPE 8,CLASS1 ASSN STD ALL TREATMENT RESPONSES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| NAS5312E3-10 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| NAS5312E3-10 | Howmet Global Fastening Systems Inc (USA) |
| NAS5312E3-10 | Heartland Precision Fasteners Inc (USA) |
| NAS5312E3-10 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| NAS5312E3-10 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| NAS5312E3-10 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| NAS5312E3-10 | Saturn Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| NAS5312E3-10 | 3/2 Design control — primary reference U.S. Government activity |
| NAS5312E3-10 | 5/2 Secondary reference U.S. Government activity |
| NAS5312E3-10 | 5/2 Secondary reference U.S. Government activity |
| 120-264E3-10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-520-9400 is a Screw,machine, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-520-9400 has 7 manufacturer part numbers on file: NAS5312E3-10 (Sps Technologies, Llc Dba PB Fasteners), NAS5312E3-10 (Howmet Global Fastening Systems Inc), NAS5312E3-10 (Heartland Precision Fasteners Inc), NAS5312E3-10 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), NAS5312E3-10 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace) and 2 more.
Key specifications for NAS5312E3-10: Screw Surface Treatment: PASSIVATE; Fastener Length: 0.625 INCHES NOMINAL IN; Thread Length: 0.545 INCHES NOMINAL IN; Criticality Code Justification: AGAV. 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.