The Screw,close Tolerance, cataloged under National Stock Number 5305-00-916-4615, 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 17 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-916-4615 |
| Primary Part Number | 6040H6-26 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Fastener Length | 2.109 INCHES MINIMUM AND 2.129 INCHES MAXIMUM IN |
| Thread Length | 0.474 INCHES MINIMUM AND 0.514 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN |
| Grip Diameter | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL AND CADMIUM OVERALL |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 60.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP H11 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.662 INCHES MINIMUM AND 0.672 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 |
|---|---|
| 6040H6-26 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC1023H6-26 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HR101H6-26 PRIMARY | Hi-Shear Corporation (USA) |
| HR101H6-26 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| VT1039H6-26 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| VT1039H6-26 | 3/2 Design control — primary reference U.S. Government activity |
| C387H6-26 | 7/2 Vendor item drawing reference U.S. Government activity |
| CS318642H6-26 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-916-4615 is a Screw,close Tolerance, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-916-4615 has 5 manufacturer part numbers on file: 6040H6-26 (Sps Technologies, Llc Dba PB Fasteners), AIC1023H6-26 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HR101H6-26 (Hi-Shear Corporation), HR101H6-26 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), VT1039H6-26 (Howmet Global Fastening Systems Inc).
Key specifications for 6040H6-26: Fastener Length: 2.109 INCHES MINIMUM AND 2.129 INCHES MAXIMUM IN; Thread Length: 0.474 INCHES MINIMUM AND 0.514 INCHES MAXIMUM IN; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL; Material Document and Classification: AMS 6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 17 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.