The Screw,close Tolerance, cataloged under National Stock Number 5305-01-475-3404, 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 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-475-3404 |
| Primary Part Number | 3M1169C4-19A |
| 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 | 1.597 INCHES MINIMUM AND 1.627 INCHES MAXIMUM IN |
| Thread Length | 0.425 INCHES NOMINAL IN |
| Spline Major Diameter | 0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.312 INCHES NOMINAL IN |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | TORX |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.4970 INCHES MINIMUM AND 0.5066 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 |
|---|---|
| 3M1169C4-19A PRIMARY | The Boeing Company Div Defense (USA) |
| TX1026C4-19A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| TX1026C4-19A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TX1026C4-19A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| TX1062C-19A | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 11827C4-19A | Reid Products Inc. Dba Reid Products Inc (USA) |
| GS1006C4-19A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| TX1062C-19A | Hi-Shear Corporation (USA) |
| TX1026C4-19A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| TX1062C-19A | Heartland Precision Fasteners Inc (USA) |
| TX1026C4-19A | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| TX1062C-19A | 5/9 Secondary reference Sps Technologies Inc |
| TX1026C-19A | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-475-3404 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-475-3404 has 11 manufacturer part numbers on file: 3M1169C4-19A (The Boeing Company Div Defense), TX1026C4-19A (Sps Technologies, Llc Dba PB Fasteners), TX1026C4-19A (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), TX1026C4-19A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), TX1062C-19A (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 6 more.
1 possible match (shared part number, not a government interchangeability claim): 5305-01-494-4352. Verify interchangeability with system specifications before substitution.
Key specifications for 3M1169C4-19A: Head Height: 0.110 INCHES NOMINAL IN; Fastener Length: 1.597 INCHES MINIMUM AND 1.627 INCHES MAXIMUM IN; Thread Length: 0.425 INCHES NOMINAL IN; Spline Major Diameter: 0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN. 17 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.