The Screw,close Tolerance, cataloged under National Stock Number 5305-01-302-2379, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-302-2379 |
| Primary Part Number | HT4075V5-9-36 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Fastener Length | 1.078 INCHES MINIMUM AND 1.108 INCHES MAXIMUM IN |
| Thread Length | 0.506 INCHES MINIMUM AND 0.556 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967,COMP ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN |
| Grip Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.625 INCHES MINIMUM AND 0.635 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 |
|---|---|
| HT4075V5-9-36 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HT4075V5-9-36 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT4075V5-9-36 PRIMARY | Hi-Shear Corporation (USA) |
| 11839V5-9-36 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 3M1034V5-9-36 | 5/2 Secondary reference U.S. Government activity |
| 3M1034V5-9-36 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 3M1034V5-9-36 | 5/2 Secondary reference U.S. Government activity |
| HT4075V5-9-36 | 5/9 Secondary reference U.S. Government activity |
| HT4075V5-9-36 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
NSN 5305-01-302-2379 is a Screw,close Tolerance, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-302-2379 has 4 manufacturer part numbers on file: HT4075V5-9-36 (Sps Technologies, Llc Dba PB Fasteners), HT4075V5-9-36 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HT4075V5-9-36 (Hi-Shear Corporation), 11839V5-9-36 (Reid Products Inc. Dba Reid Products Inc).
Key specifications for HT4075V5-9-36: Fastener Length: 1.078 INCHES MINIMUM AND 1.108 INCHES MAXIMUM IN; Thread Length: 0.506 INCHES MINIMUM AND 0.556 INCHES MAXIMUM IN; Material Document and Classification: AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967,COMP ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.312 INCHES IN. 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.