The Screw,close Tolerance, cataloged under National Stock Number 5305-01-102-9839, 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 11 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-102-9839 |
| Primary Part Number | 3M926-3L1 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 0.453 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-83488 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | OVAL COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 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 | 32 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.2966 INCHES MINIMUM AND 0.3016 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 |
|---|---|
| HT4068-3-1A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HT4068-3-1A | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M926-3L1 | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| 3M926-3L1 PRIMARY | The Boeing Company Div Defense (USA) |
| HT4068-3-1A | Huck International, Inc (USA) |
| HT4068-3-1A | Hi-Shear Corporation (USA) |
| HT4068-3-1A | Howmet Global Fastening Systems Inc (USA) |
| HT4068-3-1A | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| 3M926-3L1 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| WC4068-3-1 | West Coast Aerospace, Inc. (USA) |
| 11883-3-1/11883-3L1 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 3M926-3-1 | 5/9 Secondary reference The Boeing Company Div Defense |
| HT4068-3-1A | 5/9 Secondary reference Fastener Innovation Technology, Inc. Dba F I T |
| HT4068-3-1A | 5/9 Secondary reference West Coast Aerospace, Inc. |
| HT4068-3-1 | 5/9 Secondary reference Hi-Shear Corporation |
| HT4068-3-1A | 5/9 Secondary reference U.S. Government activity |
| HT4068-3-1 | 5/9 Secondary reference U.S. Government activity |
| HT4068-3-1A | 5/2 Secondary reference U.S. Government activity |
| HT4068-3-1A | 5/9 Secondary reference U.S. Government activity |
| 10115015 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HT4068-3-1 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5305-01-102-9839 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-102-9839 has 11 manufacturer part numbers on file: HT4068-3-1A (Sps Technologies, Llc Dba PB Fasteners), HT4068-3-1A (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), 3M926-3L1 (Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc), 3M926-3L1 (The Boeing Company Div Defense), HT4068-3-1A (Huck International, Inc) and 6 more.
Key specifications for 3M926-3L1: Fastener Length: 0.453 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-83488 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.381 INCHES MINIMUM AND 0.431 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.