The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-281-1691, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-281-1691 |
| Primary Part Number | 4683A |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Thread Quantity Per Inch | 14 |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | SAE GR 1 OR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hardness Rating | 95.5 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL |
| Minimum Yield Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Thread Length | 1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN |
| Width Between Flats | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Head Style | HEXAGON |
| Head Height | 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-00-281-1691 is a Screw,cap,hexagon Head, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-281-1691 has 4 cross-referenced part numbers: 4683A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 4683A (Hoist Liftruck Mfg Inc), 4683A (Hercules Engine Co Inc), 100148 (Army Weapons Command Attn Amswe-Ree-S).
There are 8 known substitutes for 5305-00-281-1691: 5910-00-069-2406, 5305-00-458-2002, 4920-00-894-4921 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4683A: Nominal Thread Diameter: 0.438 INCHES IN; Thread Quantity Per Inch: 14; Minimum Tensile Strength: 55000 POUNDS PER SQUARE INCH LBS; Material Document and Classification: SAE GR 1 OR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.