The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-596-9526, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 12 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 | 5305-01-596-9526 |
| Primary Part Number | 161120046 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Fastener Length | 1.00 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-Z-325,TYPE II,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| Material Document and Classification | FF-S-86 FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH LOCKING FEATURE |
| Surface Treatment | ZINC FASTENER |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL FASTENER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 03002A5309 | Lipski and Sparks Grinding Llc Dba Jhs Grinding (USA) |
| 161120046 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 03002A5309 PRIMARY | Metalmite Corp (USA) |
NSN 5305-01-596-9526 is a Screw,cap,socket Head, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-596-9526 has 3 manufacturer part numbers on file: 03002A5309 (Lipski and Sparks Grinding Llc Dba Jhs Grinding), 161120046 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 03002A5309 (Metalmite Corp).
Key specifications for 161120046: Fastener Length: 1.00 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-Z-325,TYPE II,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER; Material Document and Classification: FF-S-86 FED SPEC SINGLE MATERIAL RESPONSE FASTENER; Nominal Thread Diameter: 0.250 INCHES IN. 12 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.