The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-276-1641, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Cardinal Fastener & Specialty Co. Government technical data includes 16 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 | 5305-01-276-1641 |
| Primary Part Number | 3/4 IN-10 UNC-2A X 1 1/2 IN GR 5 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Cardinal Fastener & Specialty Co |
| Status | ACTIVE |
| Head Height | 0.455 INCHES MINIMUM AND 0.524 INCHES MAXIMUM IN |
| Fastener Length | 1.420 INCHES MINIMUM AND 1.560 INCHES MAXIMUM IN |
| Thread Length | 1.220 INCHES MINIMUM IN |
| Hardness Rating | 23.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAE J429,GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A354,GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 1 TYPE |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 92000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 10 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 3/4 IN-10 UNC-2A X 1 1/2 IN GR 5 PRIMARY | Cardinal Fastener & Specialty Co (USA) |
NSN 5305-01-276-1641 is a Screw,cap,hexagon Head, manufactured by Cardinal Fastener & Specialty Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-276-1641 has 1 manufacturer part number on file: 3/4 IN-10 UNC-2A X 1 1/2 IN GR 5 (Cardinal Fastener & Specialty Co).
Key specifications for 3/4 IN-10 UNC-2A X 1 1/2 IN GR 5: Head Height: 0.455 INCHES MINIMUM AND 0.524 INCHES MAXIMUM IN; Fastener Length: 1.420 INCHES MINIMUM AND 1.560 INCHES MAXIMUM IN; Thread Length: 1.220 INCHES MINIMUM IN; Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL. 16 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.