The Screw,close Tolerance, cataloged under National Stock Number 5305-01-497-0857, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-497-0857 |
| Primary Part Number | 3M1169C3-4A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Spline Minor Diameter | 0.1105 INCHES MINIMUM AND 0.1125 INCHES MAXIMUM IN |
| Fastener Length | 0.580 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN |
| Thread Length | 0.345 INCHES NOMINAL IN |
| Material Document and Classification | AAMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spline Major Diameter | 0.1540 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Grip Length | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 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 | 32 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.3729 INCHES MINIMUM AND 0.3813 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 |
|---|---|
| GS1006C3-4A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| TX1026C3-4A | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| TX1026C3-4A | Howmet Global Fastening Systems Inc (USA) |
| TX1026C3-4A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| TX1026C3-4A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TX1026C3-4A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| TX1026C3-4A | Hi-Shear Corporation (USA) |
| 3M1169C3-4A PRIMARY | The Boeing Company Div Defense (USA) |
| TX1026C3-4A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 11827C3-4A | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| TX1026C3-4A | 5/2 Secondary reference U.S. Government activity |
| TX1026C3-4A | 5/9 Secondary reference Sps Technologies Inc |
NSN 5305-01-497-0857 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-497-0857 has 10 manufacturer part numbers on file: GS1006C3-4A (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), TX1026C3-4A (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), TX1026C3-4A (Howmet Global Fastening Systems Inc), TX1026C3-4A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), TX1026C3-4A (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 5 more.
Key specifications for 3M1169C3-4A: Spline Minor Diameter: 0.1105 INCHES MINIMUM AND 0.1125 INCHES MAXIMUM IN; Fastener Length: 0.580 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN; Thread Length: 0.345 INCHES NOMINAL IN; Material Document and Classification: AAMS 5662 ASSN STD SINGLE MATERIAL 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.