The Setscrew, cataloged under National Stock Number 5305-00-281-4529, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Komatsu America Corporation. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-281-4529 |
| Primary Part Number | 201566 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Komatsu America Corporation |
| Status | ACTIVE |
| Head Style | SQUARE |
| Material | STEEL COMP 1020 OVERALL |
| Thread Series Designator | UNF |
| Point Style | FLAT |
| Thread Direction | RIGHT-HAND |
| Point Chamfer Angle | 14.0 DEGREES MINIMUM AND 15.0 DEGREES MAXIMUM |
| Hole Configuration Style | SQUARE LONGITUDINAL HOLE |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Height | 0.156 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Hole Quantity | 1 |
| Hole Type | DRILLED |
| Thread Length | 0.314 INCHES MINIMUM AND 0.326 INCHES MAXIMUM IN |
| Fastener Length | 0.687 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Hole Diameter | 0.064 INCHES NOMINAL IN |
| Point Length | 0.362 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 24 |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Width Between Flats | 0.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 201566 PRIMARY | Komatsu America Corporation (USA) |
NSN 5305-00-281-4529 is a Setscrew, manufactured by Komatsu America Corporation, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-281-4529 has 1 cross-referenced part number: 201566 (Komatsu America Corporation).
There are 2 known substitutes for 5305-00-281-4529: 5305-00-215-7324, 6610-01-232-4417. Verify interchangeability with system specifications before substitution.
Key specifications for 201566: Head Style: SQUARE; Material: STEEL COMP 1020 OVERALL; Thread Series Designator: UNF; Special Features: THREAD RELIEVED 0.328 IN. DIA BY 0.062 IN. LG UNDER HEAD IN. 21 total characteristics are documented in the Federal Logistics Information System.