The Screw,close Tolerance, cataloged under National Stock Number 5305-01-209-7201, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Ltd, Tj Brooks Division. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-209-7201 |
| Primary Part Number | HT4068-6-8A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies Ltd, Tj Brooks Division |
| Status | ACTIVE |
| Fastener Length | 1.126 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-83488,TY2,CL3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.616 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.490 INCHES MINIMUM AND 0.510 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 |
|---|---|
| HT4068-6-8A | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HT4068-6-8A | Hi-Shear Corporation (USA) |
| HT4068-6-8A | Huck International, Inc (USA) |
| 11883-6L8 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4068-6-8A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M926-6L8 | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| HT4068-6-8A | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M926-6L8 | West Coast Aerospace, Inc. (USA) |
| HT4068-6-8A | Howmet Global Fastening Systems Inc (USA) |
| 3M926-6L8 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| HT4068-6-8A | 3/2 Design control — primary reference U.S. Government activity |
| HT4068-6-8A | 5/9 Secondary reference U.S. Government activity |
| HT4068-6-8A | 5/9 Secondary reference U.S. Government activity |
| 3M926-6L8 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5305-01-209-7201 is a Screw,close Tolerance, manufactured by Sps Technologies Ltd, Tj Brooks Division, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-209-7201 has 10 manufacturer part numbers on file: HT4068-6-8A (Sps Technologies Ltd, Tj Brooks Division), HT4068-6-8A (Hi-Shear Corporation), HT4068-6-8A (Huck International, Inc), 11883-6L8 (Reid Products Inc. Dba Reid Products Inc), HT4068-6-8A (Sps Technologies, Llc Dba PB Fasteners) and 5 more.
Key specifications for HT4068-6-8A: Fastener Length: 1.126 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-83488,TY2,CL3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.616 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN; Material Document and Classification: AMS5629 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.