The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-224-2299, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-224-2299 |
| Primary Part Number | AF0073-034 |
| 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 | 0.050 INCHES NOMINAL IN |
| Head Height | 0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN |
| Fastener Length | 0.139 INCHES MINIMUM AND 0.154 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.103 INCHES MINIMUM AND 0.154 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.086 INCHES IN |
| Head Style | BUTTON |
| 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 | 56 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) |
| Head Diameter | 0.154 INCHES MINIMUM AND 0.164 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 |
|---|---|
| AF0073-034 PRIMARY | Northrop Grumman Corp Electronic Systems Defensive System Div (USA) |
| Reference | Meaning |
|---|---|
| FT1625-34 | 5/9 Secondary reference Fastener Technology Corp |
| AF0073 | D/9 Drawing number reference only Northrop Grumman Corp Electronic Systems Defensive System Div |
NSN 5305-01-224-2299 is a Screw,cap,socket Head, manufactured by Northrop Grumman Corp Electronic Systems Defensive System Div, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-224-2299 has 1 manufacturer part number on file: AF0073-034 (Northrop Grumman Corp Electronic Systems Defensive System Div).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-226-8729. Verify interchangeability with system specifications before substitution.
Key specifications for AF0073-034: Width Across Flats: 0.050 INCHES NOMINAL IN; Head Height: 0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN; Fastener Length: 0.139 INCHES MINIMUM AND 0.154 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.