The Screw,close Tolerance, cataloged under National Stock Number 5305-01-346-3767, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-346-3767 |
| Primary Part Number | HR240-3-6 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Fastener Length | 0.705 INCHES MINIMUM AND 0.735 INCHES MAXIMUM IN |
| Thread Length | 0.345 INCHES NOMINAL IN |
| Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.328 INCHES MINIMUM AND 0.385 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 |
|---|---|
| HR240-3-6 PRIMARY | Hi-Shear Corporation (USA) |
| T009-3-6 | Huck International, Inc (USA) |
| 03A174-3-6 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| SC3102-3-6 | Howmet Global Fastening Systems Inc (USA) |
| PBF1417-3-6 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| AIC1652-3-6 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HR240-3-6 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| SLB146-3-6 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| 123743-3-6 | 5/2 Secondary reference U.S. Government activity |
| SC3102-3-6 | 5/9 Secondary reference Sps Technologies Inc |
| T009-3-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-346-3767 is a Screw,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-346-3767 has 8 manufacturer part numbers on file: HR240-3-6 (Hi-Shear Corporation), T009-3-6 (Huck International, Inc), 03A174-3-6 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), SC3102-3-6 (Howmet Global Fastening Systems Inc), PBF1417-3-6 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 3 more.
Key specifications for HR240-3-6: Fastener Length: 0.705 INCHES MINIMUM AND 0.735 INCHES MAXIMUM IN; Thread Length: 0.345 INCHES NOMINAL IN; Material Document and Classification: AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.190 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.