The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-356-1579, 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 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-356-1579 |
| Primary Part Number | AF0073-038 |
| 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 | 0.078 INCHES NOMINAL IN |
| Head Height | 0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Fastener Length | 0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ+35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.158 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) |
| Head Diameter | 0.250 INCHES MINIMUM AND 0.262 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 |
|---|---|
| AF0073-038 PRIMARY | Northrop Grumman Corp Electronic Systems Defensive System Div (USA) |
| FIT7080-38 | Fastener Technology Corp (USA) |
NSN 5305-01-356-1579 is a Screw,cap,socket Head, manufactured by Northrop Grumman Corp Electronic Systems Defensive System Div, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-356-1579 has 2 manufacturer part numbers on file: AF0073-038 (Northrop Grumman Corp Electronic Systems Defensive System Div), FIT7080-38 (Fastener Technology Corp).
Key specifications for AF0073-038: Width Across Flats: 0.078 INCHES NOMINAL IN; Head Height: 0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Fastener Length: 0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ+35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 15 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.