The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-654-4061, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba. Government technical data includes 17 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 | 5305-01-654-4061 |
| Primary Part Number | 16282-201 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba |
| Status | ACTIVE |
| External Thread Tolerance Class | 3A A |
| Fastener Length | 2.750 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | STM B633 TYPE 2 CLASS FE/ZN V ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 2.750 INCHES MAXIMUM IN |
| Hardness Rating | 37.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | ASS STANDAD ASME B18.3 ASSN STD 5TH MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Minimum Tensile Strength | 170000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 153000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| 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 |
NSN 5305-01-654-4061 is a Screw,cap,socket Head, manufactured by Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-654-4061 has 2 manufacturer part numbers on file: 16282-201 (Defence Liaison Services Pty Ltd), 16282-201 (Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba).
Key specifications for 16282-201: External Thread Tolerance Class: 3A A; Fastener Length: 2.750 INCHES NOMINAL IN; Surface Treatment Document and Classification: STM B633 TYPE 2 CLASS FE/ZN V ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 2.750 INCHES MAXIMUM IN. 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.