The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-254-5325, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-254-5325 |
| Primary Part Number | 945340-1306 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Head Height | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Fastener Length | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| Thread Length | 0.282 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Material Document and Classification | AMS3650 ASSN STD SINGLE MATERIAL RESPONSE LOCKING FEATURE |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1190 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Locking Feature | STRIP OR PELLET THREADS |
| Surface Treatment | PASSIVATE FASTENER |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 FASTENER |
| Material | PLASTIC POLYCHLOROTRIFLUOROETHYLENE LOCKING FEATURE |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.357 INCHES MINIMUM AND 0.373 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 |
|---|---|
| 945340-1306 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| NAS1190E3P6K | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-254-5325 is a Screw,cap,socket Head, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-254-5325 has 1 manufacturer part number on file: 945340-1306 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 945340-1306: Head Height: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Fastener Length: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER; Thread Length: 0.282 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. 20 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.