The Screw,close Tolerance, cataloged under National Stock Number 5305-01-140-3072, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-140-3072 |
| Primary Part Number | HT4041-3-7-5 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Fastener Length | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.287 INCHES MINIMUM AND 0.337 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 | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 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 | 32 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.297 INCHES MINIMUM AND 0.301 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 |
|---|---|
| 3M707-3-7-5 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HT4041-3-7-5 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| HT4041-3-7-5 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 11873-3-7-5 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M707-3-7-5 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HT4041-3-7-5 PRIMARY | Hi-Shear Corporation (USA) |
| HT4041-3-7-5 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| HT4041-3-7-5 | 3/2 Design control — primary reference U.S. Government activity |
| HT4041-3-7-5 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HT4041-3-7-5 | 5/9 Secondary reference U.S. Government activity |
| 3M707-3-7-5 | 5/2 Secondary reference U.S. Government activity |
| HT4041-3-7-5 | 5/9 Secondary reference U.S. Government activity |
| 3M707-3-7-5 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 10115411 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5305-01-140-3072 is a Screw,close Tolerance, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-140-3072 has 7 manufacturer part numbers on file: 3M707-3-7-5 (Fastener Innovation Technology, Inc. Dba F I T), HT4041-3-7-5 (Howmet Global Fastening Systems Inc), HT4041-3-7-5 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), 11873-3-7-5 (Reid Products Inc. Dba Reid Products Inc), 3M707-3-7-5 (Sps Technologies, Llc Dba PB Fasteners) and 2 more.
Key specifications for HT4041-3-7-5: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Fastener Length: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.