The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-067-9676, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Irwin Automation Inc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-067-9676 |
| Primary Part Number | C-230-1525 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Irwin Automation Inc |
| Status | ACTIVE |
| Head Height | 1.175 INCHES MINIMUM AND 1.263 INCHES MAXIMUM IN |
| Fastener Length | 6.510 INCHES MINIMUM AND 6.750 INCHES MAXIMUM IN |
| Special Test Features | SPECIAL QUALITY CONTROLTESTING |
| Thread Length | 5.510 INCHES MINIMUM AND 6.750 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | ASTM A193 GR B8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 2.000 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | LEFT-HAND |
| Width Between Flats | 2.900 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Test Data Document | 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Thread Quantity Per Inch | 8 |
| Material | STEEL OVERALL |
| Thread Series Designator | UN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| C-230-1525 | Irwin Automation Inc (USA) |
| C-230-1525 | Penn State Tool & Die Corp (USA) |
| C-230-1525 | Skovira Machine Co Div Skovira Machine (USA) |
| C-230-1525 | Lone Star Fasteners L P Div Lonestar Group (USA) |
| Reference | Meaning |
|---|---|
| C-230-1525 | 3/9 Design control — primary reference Bingham-Willamette Co Div of Guy F Atkinson Co |
NSN 5305-01-067-9676 is a Screw,cap,hexagon Head, manufactured by Irwin Automation Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-067-9676 has 4 manufacturer part numbers on file: C-230-1525 (Irwin Automation Inc), C-230-1525 (Penn State Tool & Die Corp), C-230-1525 (Skovira Machine Co Div Skovira Machine), C-230-1525 (Lone Star Fasteners L P Div Lonestar Group).
Key specifications for C-230-1525: Head Height: 1.175 INCHES MINIMUM AND 1.263 INCHES MAXIMUM IN; Fastener Length: 6.510 INCHES MINIMUM AND 6.750 INCHES MAXIMUM IN; Special Test Features: SPECIAL QUALITY CONTROLTESTING; Thread Length: 5.510 INCHES MINIMUM AND 6.750 INCHES MAXIMUM IN. 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.