The Screw,close Tolerance, cataloged under National Stock Number 5305-01-101-6033, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-101-6033 |
| Primary Part Number | 3M926-6L11 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 1.314 INCHES MINIMUM AND 1.344 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 | 0.678 INCHES MINIMUM AND 0.698 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 |
|---|---|
| WC4068-6-11 | West Coast Aerospace, Inc. (USA) |
| 11883-6-11/11883-6L11 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M926-6L11 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HT4068-6-11A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HT4068-6-11A | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT4068-6-11A | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| 3M926-6L11 PRIMARY | The Boeing Company Div Defense (USA) |
| 3M926-6L11 | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| HT4068-6-11 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HT4068-6-11A | Howmet Global Fastening Systems Inc (USA) |
| HT4068-6-11A | Huck International, Inc (USA) |
| HT4068-6-11A | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HT4068-6-11 | 5/9 Secondary reference U.S. Government activity |
| HT4068-6-11 | 5/9 Secondary reference Huck International, Inc |
| 3M926-6-11 | 5/9 Secondary reference The Boeing Company Div Defense |
| HT4068-6-11 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| HT4068-6-11 | 5/9 Secondary reference West Coast Aerospace, Inc. |
| HT4068-6-11 | 5/9 Secondary reference U.S. Government activity |
| HT4068-6-11 | 5/9 Secondary reference U.S. Government activity |
| HT4068-6-11 | 5/9 Secondary reference Hi-Shear Corporation |
| HT4068-6-11 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HT4068-6-11A | 5/2 Secondary reference U.S. Government activity |
| HT4068-6-11 | 5/9 Secondary reference Fastener Innovation Technology, Inc. Dba F I T |
NSN 5305-01-101-6033 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-101-6033 has 12 manufacturer part numbers on file: WC4068-6-11 (West Coast Aerospace, Inc.), 11883-6-11/11883-6L11 (Reid Products Inc. Dba Reid Products Inc), 3M926-6L11 (Fastener Innovation Technology, Inc. Dba F I T), HT4068-6-11A (Sps Technologies, Llc Dba PB Fasteners), HT4068-6-11A (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 7 more.
Key specifications for 3M926-6L11: Fastener Length: 1.314 INCHES MINIMUM AND 1.344 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.