The Screw,machine, cataloged under National Stock Number 5305-00-637-4506, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-637-4506 |
| Primary Part Number | ANSI B18.6.3 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | American National Standards Institute Incorporated Dba American National Standards Institute |
| Status | CANCELLED |
| Fastener Length | 4.000 INCHES NOMINAL IN |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Minimum Tensile Strength | 60000 POUNDS PER SQUARE INCH LBS |
| Thread Direction | RIGHT-HAND |
| Screw Material Document and Classification | QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 1.750 INCHES MINIMUM IN |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Nondefinitive Spec/std Data | 1 TYPE AND 2S STYLE |
| Head Style | FLAT COUNTERSUNK |
| Head Diameter | 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Screw Material | STEEL |
| Thread Quantity Per Inch | 20 |
| Thread Class | 2A A |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ANSI B18.6.3 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| FF-S-92 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| FF-S-92 TY1ST2S | General Services Administration Federal Supply Service (USA) |
NSN 5305-00-637-4506 is a Screw,machine, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-637-4506 has 3 cross-referenced part numbers: ANSI B18.6.3 (American National Standards Institute Incorporated Dba American National Standards Institute), FF-S-92 (Federal Specifications Promulgated by General Services Administration Washington DC), FF-S-92 TY1ST2S (General Services Administration Federal Supply Service).
There are 12 known substitutes for 5305-00-637-4506: 5305-00-059-8256, 5305-00-206-3713, 5350-00-255-7736 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for ANSI B18.6.3: Fastener Length: 4.000 INCHES NOMINAL IN; Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM; Nominal Thread Diameter: 0.250 INCHES IN; Minimum Tensile Strength: 60000 POUNDS PER SQUARE INCH LBS. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-637-4506 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.