The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-596-9645, 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 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-596-9645 |
| Primary Part Number | 16143655 |
| 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 | 1.375 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-Z-325, TY II, CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| Material Document and Classification | FF-S-86 FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
| Material Document and Classification | MIL-DTL-18240, TY P MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | FLAT FILLISTER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ZINC FASTENER |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL FASTENER |
| Material | PLASTIC NYLON LOCKING FEATURE |
| 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 |
|---|---|
| 16143655 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5305-01-596-9645 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 5305-01-596-9645 has 1 manufacturer part number on file: 16143655 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 16143655: Fastener Length: 1.375 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-Z-325, TY II, CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER; Material Document and Classification: FF-S-86 FED SPEC SINGLE MATERIAL RESPONSE FASTENER; Material Document and Classification: MIL-DTL-18240, TY P MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE. 14 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.