The Screw,close Tolerance, cataloged under National Stock Number 5305-01-417-2491, 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 16 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-417-2491 |
| Primary Part Number | 3M1169V4-19A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.110 INCHES NOMINAL IN |
| Fastener Length | 1.598 INCHES MINIMUM AND 1.628 INCHES MAXIMUM IN |
| Thread Length | 0.425 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK UNDERCUT |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE II |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.470 INCHES MINIMUM AND 0.497 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 |
|---|---|
| 3M1169V4-19A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| 3M1169V4-19A PRIMARY | The Boeing Company Div Defense (USA) |
| 3M1169V4-19A | Houston Precision Fasteners I Lp (USA) |
| TX1026V4-19A PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 11827V-4-19/11827V4-19A | Reid Products Inc. Dba Reid Products Inc (USA) |
| GS1006V4-19A PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 3M1169V4-19A | Heartland Precision Fasteners Inc (USA) |
| TX1026V4-19A PRIMARY | Hi-Shear Corporation (USA) |
| TX1026V4-19A PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| TX1026V4-19A PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| TX1026V4-19A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| TX1026V4-19A | Howmet Global Fastening Systems Inc (USA) |
| 3M1169V4-19A | Huck International, Inc (USA) |
| 3M1169V4-19A | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M1169V4-19A | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M1169V4-19A PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| WC1169V4-19A PRIMARY | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3M1169V4-19A | 5/9 Secondary reference U.S. Government activity |
| TX1026V4-19A | 5/9 Secondary reference U.S. Government activity |
| TX1026V4-19A | C/1 Advisory reference — outside the item-of-supply concept Fairchild Fasteners Europe - Vsd Gmbh |
| TX1026V4-19A | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies Inc |
| TX1026V4-19A | 3/2 Design control — primary reference U.S. Government activity |
| 10328755 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| TX1026V-4-19 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| 3M1026V-4-19 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5305-01-417-2491 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-417-2491 has 17 manufacturer part numbers on file: 3M1169V4-19A (Fairchild Fasteners Europe - Vsd Gmbh), 3M1169V4-19A (The Boeing Company Div Defense), 3M1169V4-19A (Houston Precision Fasteners I Lp), TX1026V4-19A (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 11827V-4-19/11827V4-19A (Reid Products Inc. Dba Reid Products Inc) and 12 more.
Key specifications for 3M1169V4-19A: Head Height: 0.110 INCHES NOMINAL IN; Fastener Length: 1.598 INCHES MINIMUM AND 1.628 INCHES MAXIMUM IN; Thread Length: 0.425 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN. 16 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.