The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-845-3865, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Allen Mfg Co Sub of Chicago Pneumatic Tool Co. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-845-3865 |
| Primary Part Number | 4-40-3-8 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Allen Mfg Co Sub of Chicago Pneumatic Tool Co |
| Status | ACTIVE |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment | PASSIVATE OVERALL |
| Material Document and Classification | MIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Minimum Yield Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OVERALL |
| Thread Length | 0.263 INCHES MINIMUM IN |
| Head Height | 0.112 INCHES NOMINAL IN |
| Head Style | FLAT CHAMFER |
| Width Across Flats | 0.079 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Internal Drive Style | HEXAGON |
| Head Diameter | 0.183 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 40 |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4-40-3-8 | Allen Mfg Co Sub of Chicago Pneumatic Tool Co (USA) |
NSN 5305-00-845-3865 is a Screw,cap,socket Head, manufactured by Allen Mfg Co Sub of Chicago Pneumatic Tool Co, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-845-3865 has 1 cross-referenced part number: 4-40-3-8 (Allen Mfg Co Sub of Chicago Pneumatic Tool Co).
There are 10 known substitutes for 5305-00-845-3865: 4820-00-060-4799, 5120-00-223-7976, 2090-00-380-9812 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4-40-3-8: Nominal Thread Diameter: 0.112 INCHES IN; Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Surface Treatment: PASSIVATE OVERALL. 17 total characteristics are documented in the Federal Logistics Information System.