The Screw,close Tolerance, cataloged under National Stock Number 5305-01-476-0756, 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 19 specifications, cited from the U.S. Government catalog. The record lists 17 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-476-0756 |
| Primary Part Number | 3M707-4-8-5 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Fastener Length | 0.797 INCHES MINIMUM AND 0.827 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.312 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | OVAL COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 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 | 28 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.390 INCHES MINIMUM AND 0.395 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 |
|---|---|
| HT4041-4-8-5 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M707-4-8-5 PRIMARY | The Boeing Company Div Defense (USA) |
| HT4041-4-8-5 | Howmet Global Fastening Systems Inc (USA) |
| 3M707-4-8-5 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 11873-4-8-5 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4041-4-8-5 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| WC4041-4-8-5 | West Coast Aerospace, Inc. (USA) |
| HT4041-4-8-5 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| 3M707-4-8-5 | Houston Precision Fasteners I Lp (USA) |
| HT4041-4-8-5 | Huck International, Inc (USA) |
| 3M707-4-8-5 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HT4041-4-8-5 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT4041-4-8-5 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M707-4-8-5 | Heartland Precision Fasteners Inc (USA) |
| HT4041-4-8-5 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HT4041-4-8-5 | Hi-Shear Corporation (USA) |
| HT4041-4-8-5 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HT4041-4-8-5 | 5/2 Secondary reference U.S. Government activity |
| HT4041-4-8-5 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5305-01-476-0756 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-476-0756 has 17 manufacturer part numbers on file: HT4041-4-8-5 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 3M707-4-8-5 (The Boeing Company Div Defense), HT4041-4-8-5 (Howmet Global Fastening Systems Inc), 3M707-4-8-5 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 11873-4-8-5 (Reid Products Inc. Dba Reid Products Inc) and 12 more.
Key specifications for 3M707-4-8-5: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Fastener Length: 0.797 INCHES MINIMUM AND 0.827 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.