The Screw,close Tolerance, cataloged under National Stock Number 5305-01-101-6034, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-101-6034 |
| Primary Part Number | HT4068-6-9A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Fastener Length | 1.188 INCHES MINIMUM AND 1.218 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-83488 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.616 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN |
| Grip Diameter | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM AND CHROMATE OVERALL |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 101.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.510 INCHES MINIMUM AND 0.564 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 |
|---|---|
| HT4068-6-9A | Hi-Shear Corporation (USA) |
| HT4068-6-9A | Howmet Global Fastening Systems Inc (USA) |
| 3M926-6L9 | West Coast Aerospace, Inc. (USA) |
| HT4068-6-9A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 11883-6L9 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4068-6-9A | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT4068-6-9A | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HT4068-6-9A PRIMARY | Huck International, Inc (USA) |
| 3M926-6L9 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M926-6L9 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| HT4068-6-9A | 3/9 Design control — primary reference U.S. Government activity |
| HT4068-6L9 | 5/9 Secondary reference U.S. Government activity |
| HT4068-6-9A | 5/2 Secondary reference U.S. Government activity |
| HT4068-6L9 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HT4068-6L9 | 5/9 Secondary reference U.S. Government activity |
| HT4068-6L9 | 5/9 Secondary reference U.S. Government activity |
| HT4068-6-9A | 5/9 Secondary reference U.S. Government activity |
| HT4068-6L9 | 5/9 Secondary reference Hi-Shear Corporation |
NSN 5305-01-101-6034 is a Screw,close Tolerance, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-101-6034 has 10 manufacturer part numbers on file: HT4068-6-9A (Hi-Shear Corporation), HT4068-6-9A (Howmet Global Fastening Systems Inc), 3M926-6L9 (West Coast Aerospace, Inc.), HT4068-6-9A (Sps Technologies, Llc Dba PB Fasteners), 11883-6L9 (Reid Products Inc. Dba Reid Products Inc) and 5 more.
Key specifications for HT4068-6-9A: Fastener Length: 1.188 INCHES MINIMUM AND 1.218 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-83488 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.616 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN; Material Document and Classification: AMS 5629 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.