The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-331-8598, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-331-8598 |
| Primary Part Number | 8501322-002 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Honeywell International Inc. Dba Honeywell International |
| Status | ACTIVE |
| Width Across Flats | 0.070 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN |
| Head Height | 0.120 INCHES NOMINAL IN |
| Fastener Length | 5.495 INCHES MINIMUM AND 5.505 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.174 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 630 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.0937 INCHES MINIMUM AND 0.0952 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 |
|---|---|
| 8501322-002 | Axian Technology Inc Dba Axian Technology Inc (USA) |
| 8501322-002 PRIMARY | Honeywell International Inc. Dba Honeywell International (USA) |
| Reference | Meaning |
|---|---|
| 10113695 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5305-01-331-8598 is a Screw,cap,socket Head, manufactured by Honeywell International Inc. Dba Honeywell International, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-331-8598 has 2 manufacturer part numbers on file: 8501322-002 (Axian Technology Inc Dba Axian Technology Inc), 8501322-002 (Honeywell International Inc. Dba Honeywell International).
Key specifications for 8501322-002: Width Across Flats: 0.070 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN; Head Height: 0.120 INCHES NOMINAL IN; Fastener Length: 5.495 INCHES MINIMUM AND 5.505 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 17 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.