The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-638-8945, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-638-8945 |
| Primary Part Number | 453126 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Thread Quantity Per Inch | 20 |
| Minimum Yield Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Fastener Length | 2.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Material Document and Classification | SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Series Designator | UNF |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Thread Length | 1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Width Between Flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Head Height | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 453126 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5305-00-638-8945 is a Screw,cap,hexagon Head, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-638-8945 has 1 cross-referenced part number: 453126 (U S Army Tank Automotive Command Amsta-Im-Mm).
There are 2 known substitutes for 5305-00-638-8945: 1560-00-772-5520, 4720-01-213-1282. Verify interchangeability with system specifications before substitution.
Key specifications for 453126: Thread Quantity Per Inch: 20; Minimum Yield Strength: 120000 POUNDS PER SQUARE INCH LBS; Fastener Length: 2.250 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 17 total characteristics are documented in the Federal Logistics Information System.