The Screw,close Tolerance, cataloged under National Stock Number 5305-01-199-7826, 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 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-199-7826 |
| Primary Part Number | 3M1034V4-7-16 |
| 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 |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Fastener Length | 0.892 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN |
| Thread Length | 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN |
| Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 95000 POUNDS PER SQUARE INCH LBS |
| 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 | IRON ALLOY 661 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.456 INCHES MINIMUM AND 0.508 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 |
|---|---|
| 3M1034V4-7-16 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HT4075V4-7-16 | Hi-Shear Corporation (USA) |
| 11839V4-7-16 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4075V4-7-16 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M1034V4-7-16 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| HT4075V4-7-16 | 5/2 Secondary reference U.S. Government activity |
| HT4075V4-7-16 | 5/9 Secondary reference U.S. Government activity |
| HT4075V4-7-16 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 3M1034V4-7-16 | 5/2 Secondary reference U.S. Government activity |
| HT4075V4-7-16 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
NSN 5305-01-199-7826 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-199-7826 has 5 manufacturer part numbers on file: 3M1034V4-7-16 (Sps Technologies, Llc Dba PB Fasteners), HT4075V4-7-16 (Hi-Shear Corporation), 11839V4-7-16 (Reid Products Inc. Dba Reid Products Inc), HT4075V4-7-16 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), 3M1034V4-7-16 (The Boeing Company Div Defense).
Key specifications for 3M1034V4-7-16: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Fastener Length: 0.892 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN. 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.