The Setscrew, cataloged under National Stock Number 5305-00-985-0750, 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 21 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 | 5305-00-985-0750 |
| Primary Part Number | 552791 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Point Diameter | 0.115 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN |
| Head Height | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| Point Length | 0.090 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Fastener Length | 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN |
| Thread Length | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN |
| Hardness Rating | 372.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL |
| Hole Configuration Style | ROUND |
| Material Document and Classification | QQ-S-763,CLASS 303SE FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-763,CLASS 412 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Point Style | DOG |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hole Type | DRILLED |
| Hole Diameter | 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Head Diameter | 0.250 INCHES MINIMUM AND 0.270 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 |
|---|---|
| 552791 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 5305-00-985-0750 is a Setscrew, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-985-0750 has 1 manufacturer part number on file: 552791 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 552791: Point Diameter: 0.115 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN; Head Height: 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN; Point Length: 0.090 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Fastener Length: 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN. 21 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.