The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-228-9498, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Corp Electronic Systems Defensive System Div. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-228-9498 |
| Primary Part Number | AF0072-034 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Corp Electronic Systems Defensive System Div |
| Status | ACTIVE |
| Width Across Flats | 0.063 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Head Height | 0.070 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Fastener Length | 0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.317 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.073 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 72 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNRF |
| Head Diameter | 0.112 INCHES MINIMUM AND 0.118 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 |
|---|---|
| AF0072-034 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| AF0072-034 PRIMARY | Northrop Grumman Corp Electronic Systems Defensive System Div (USA) |
| AF0072-034 | Fastener Technology Corp (USA) |
NSN 5305-01-228-9498 is a Screw,cap,socket Head, manufactured by Northrop Grumman Corp Electronic Systems Defensive System Div, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-228-9498 has 3 manufacturer part numbers on file: AF0072-034 (Fastener Innovation Technology, Inc. Dba F I T), AF0072-034 (Northrop Grumman Corp Electronic Systems Defensive System Div), AF0072-034 (Fastener Technology Corp).
Key specifications for AF0072-034: Width Across Flats: 0.063 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN; Head Height: 0.070 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Fastener Length: 0.345 INCHES MINIMUM AND 0.375 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.