The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-057-1037, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. Government technical data includes 14 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-057-1037 |
| Primary Part Number | 571037 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Status | ACTIVE |
| Thread Length | 1.250 INCHES MINIMUM IN |
| Width Between Flats | 0.750 INCHES NOMINAL IN |
| Material Document and Classification | SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Thread Class | 2A A |
| Fastener Length | 3.000 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 13 |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Nondefinitive Spec/std Data | II TYPE AND 10P STYLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Head Height | 0.312 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 571037 | CAGE 00000 |
| FFS85TYPE2STYLE10P | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5305-00-057-1037 is a Screw,cap,hexagon Head, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-057-1037 has 2 cross-referenced part numbers: 571037, FFS85TYPE2STYLE10P (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 3 known substitutes for 5305-00-057-1037: 5310-00-205-8740, 1005-01-116-1520, 5962-01-281-6917. Verify interchangeability with system specifications before substitution.
Key specifications for 571037: Thread Length: 1.250 INCHES MINIMUM IN; Width Between Flats: 0.750 INCHES NOMINAL IN; Material Document and Classification: SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.