The Setscrew, cataloged under National Stock Number 5305-00-856-4826, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-856-4826 |
| Primary Part Number | 546735 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Point Diameter | 0.182 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN |
| Head Height | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Point Length | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Fastener Length | 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN |
| Thread Length | 0.220 INCHES MINIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | ROUND |
| Material Document and Classification | AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 45.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Point Style | CHAMFER DOG |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 4340 OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hole Type | DRILLED |
| Hole Diameter | 0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Head Diameter | 0.370 INCHES MINIMUM AND 0.390 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 |
|---|---|
| 546735 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 5305-00-856-4826 is a Setscrew, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-856-4826 has 1 manufacturer part number on file: 546735 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 546735: Point Diameter: 0.182 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN; Head Height: 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Point Length: 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Fastener Length: 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN. 22 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.