The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-057-1158, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-057-1158 |
| Primary Part Number | 571158 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Head Height | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN |
| Width Between Flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Hole Configuration Style | HEXAGON FLATS |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Minimum Yield Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | UNF |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Hole Quantity | 1 |
| Surface Treatment | PHOSPHATE OVERALL |
| Hole Diameter | 0.094 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-16232,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.500 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Hole Type | DRILLED |
| Thread Quantity Per Inch | 20 |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 571158 | CAGE 00000 |
| FFS85TYPE2STYLE10P | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5305-00-057-1158 is a Screw,cap,hexagon Head, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-057-1158 has 2 cross-referenced part numbers: 571158, FFS85TYPE2STYLE10P (Federal Specifications Promulgated by General Services Administration Washington DC).
There is 1 known substitute for 5305-00-057-1158: 5310-00-252-9138. Verify interchangeability with system specifications before substitution.
Key specifications for 571158: Thread Direction: RIGHT-HAND; Head Height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN; Width Between Flats: 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Hole Configuration Style: HEXAGON FLATS. 21 total characteristics are documented in the Federal Logistics Information System.