The Screw,close Tolerance, cataloged under National Stock Number 5305-01-520-9376, 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 19 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-520-9376 |
| Primary Part Number | 120-259E3P15 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.127 INCHES NOMINAL IN |
| Fastener Length | 1.341 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS-QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.260 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5731 FED SPEC 1ST MATERIAL RESPONSE OR AMS 5732 FED SPEC 2ND MATERIAL RESPONSE OR AMS 5737 FED SPEC 3RD MATERIAL RESPONSE OR AMS 5853 FED SPEC 4TH MATERIAL RESPONSE OVERALL |
| Spline Major Diameter | 0.155 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | UNDERCUT PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.938 INCHES NOMINAL IN |
| Grip Diameter | 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 3180 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | TORX |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.547 INCHES NOMINAL 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 |
|---|---|
| 120-259E3P15 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 120-259E3P15 | Saturn Fasteners Inc (USA) |
| 120-259E3P15 | Heartland Precision Fasteners Inc (USA) |
| 120-259E3P15 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 120-259E3P15 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 120-259E3P15 | Howmet Global Fastening Systems Inc (USA) |
| 120-259E3P15 | B & B Specialties Inc (USA) |
| 120-259E3P15 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 120-259E3P15 | Lfc Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| NAS5314E3P15 | 3/2 Design control — primary reference U.S. Government activity |
| 120-259E3P15 | 5/2 Secondary reference U.S. Government activity |
| 120-259E3P15 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-520-9376 is a Screw,close Tolerance, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-520-9376 has 9 manufacturer part numbers on file: 120-259E3P15 (Sps Technologies, Llc Dba PB Fasteners), 120-259E3P15 (Saturn Fasteners Inc), 120-259E3P15 (Heartland Precision Fasteners Inc), 120-259E3P15 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 120-259E3P15 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 4 more.
Key specifications for 120-259E3P15: Head Height: 0.127 INCHES NOMINAL IN; Fastener Length: 1.341 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS-QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.260 INCHES NOMINAL IN. 19 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.