The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-218-8280, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hiab Usa Inc. Government technical data includes 12 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 | 5305-01-218-8280 |
| Primary Part Number | 991 8752 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hiab Usa Inc |
| Status | ACTIVE |
| Fastener Length | 140.00 MILLIMETERS NOMINAL MM |
| Hardness Rating | 18.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ZINC OVERALL |
| Minimum Tensile Strength | 113784 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 91000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 9 |
| Material | STEEL PROPERTY CLASS 8.8 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 |
|---|---|
| 991 8752 PRIMARY | Hiab Usa Inc (USA) |
NSN 5305-01-218-8280 is a Screw,cap,hexagon Head, manufactured by Hiab Usa Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-218-8280 has 1 manufacturer part number on file: 991 8752 (Hiab Usa Inc).
Key specifications for 991 8752: Fastener Length: 140.00 MILLIMETERS NOMINAL MM; Hardness Rating: 18.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL; Nominal Thread Diameter: 0.875 INCHES IN; Head Style: HEXAGON. 12 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.