The Screw,close Tolerance, cataloged under National Stock Number 5305-01-273-1632, 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 18 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-273-1632 |
| Primary Part Number | 3M707-4-3-6 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.015 INCHES MAXIMUM IN |
| Fastener Length | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.162 INCHES MINIMUM AND 0.212 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FILLISTER COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.178 INCHES MINIMUM AND 0.198 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 |
|---|---|
| 3M707-4-3-6 PRIMARY | The Boeing Company Div Defense (USA) |
| HT4041-4-3-6 PRIMARY | Huck International, Inc (USA) |
| WC4041-4-3-6 | West Coast Aerospace, Inc. (USA) |
| HT4041-4-3-6 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT4041-4-3-6 | Howmet Global Fastening Systems Inc (USA) |
| 3M707-4-3-6 | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| 3M707-4-3-6 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 11873-4-3-6 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4041-4-3-6 | Hi-Shear Corporation (USA) |
| HT4041-4-3-6 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| 3M707-4-3-6 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| HT4041-4-3-6 | 5/2 Secondary reference U.S. Government activity |
| HT4041-4-3-6 | 5/9 Secondary reference U.S. Government activity |
| HT4041-4-3-6 | 5/9 Secondary reference U.S. Government activity |
| 3M07-4-3-6 | 5/9 Secondary reference Fastener Innovation Technology, Inc. Dba F I T |
NSN 5305-01-273-1632 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-273-1632 has 11 manufacturer part numbers on file: 3M707-4-3-6 (The Boeing Company Div Defense), HT4041-4-3-6 (Huck International, Inc), WC4041-4-3-6 (West Coast Aerospace, Inc.), HT4041-4-3-6 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HT4041-4-3-6 (Howmet Global Fastening Systems Inc) and 6 more.
Key specifications for 3M707-4-3-6: Head Height: 0.015 INCHES MAXIMUM IN; Fastener Length: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.162 INCHES MINIMUM AND 0.212 INCHES MAXIMUM IN. 18 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.