The Screw,close Tolerance, cataloged under National Stock Number 5305-01-129-6936, 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-129-6936 |
| Primary Part Number | HT4025L7-22 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Fastener Length | 2.035 INCHES MINIMUM AND 2.065 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.650 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN |
| Grip Diameter | 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.880 INCHES MINIMUM AND 0.890 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 |
|---|---|
| ST3M454-7L22 | West Coast Aerospace, Inc. (USA) |
| HT4025L7-22 PRIMARY | Huck International, Inc (USA) |
| HT295-7-22 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M454-7L22 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HT8140-7-22 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 11905-7L22 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4025L7-22 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M454-7L22 PRIMARY | The Boeing Company Div Defense (USA) |
| HT4025L7-22 PRIMARY | Hi-Shear Corporation (USA) |
| HT295-7-22 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HT4025L7-22 | 3/2 Design control — primary reference U.S. Government activity |
| HT8140-7-22 | 5/9 Secondary reference U.S. Government activity |
| BM19037-7-22 | 5/9 Secondary reference U.S. Government activity |
| 10115205 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 106830-7-22 | 3/2 Design control — primary reference U.S. Government activity |
| HT4025L7-22 | 5/9 Secondary reference U.S. Government activity |
| HT4025L7-22 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-129-6936 is a Screw,close Tolerance, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-129-6936 has 10 manufacturer part numbers on file: ST3M454-7L22 (West Coast Aerospace, Inc.), HT4025L7-22 (Huck International, Inc), HT295-7-22 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), ST3M454-7L22 (Fastener Innovation Technology, Inc. Dba F I T), HT8140-7-22 (Howmet Global Fastening Systems Inc) and 5 more.
Key specifications for HT4025L7-22: Fastener Length: 2.035 INCHES MINIMUM AND 2.065 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.650 INCHES MINIMUM AND 0.700 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.