The Bolt,assembled Washer, cataloged under National Stock Number 5306-00-018-6493, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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 | 5306-00-018-6493 |
| Primary Part Number | 186493 |
| Item Name | Bolt,assembled Washer |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Army Weapons Command Attn Amswe-Ree-S |
| Status | ACTIVE |
| Thread Length | 0.500 INCHES MINIMUM IN |
| Head Height | 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Direction | RIGHT-HAND |
| Material Document and Classification | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Head Style | HEXAGON |
| Material | STEEL COMP 1050 OR STEEL COMP 1566 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Primary Washer Style | FLAT EXTERNAL TEETH |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Primary Washer Material Thickness | 0.025 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Primary Washer Outside Diameter | 0.462 INCHES MINIMUM AND 0.474 INCHES MAXIMUM IN |
| Washer Quantity | 1 |
| Thread Quantity Per Inch | 20 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 186493 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| 5306000186493 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5306-00-018-6493 is a Bolt,assembled Washer, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-018-6493 has 2 cross-referenced part numbers: 186493 (Army Weapons Command Attn Amswe-Ree-S), 5306000186493 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales).
There is 1 known substitute for 5306-00-018-6493: 3431-01-533-8337. Verify interchangeability with system specifications before substitution.
Key specifications for 186493: Thread Length: 0.500 INCHES MINIMUM IN; Head Height: 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Thread Class: 2A A; Thread Direction: RIGHT-HAND. 17 total characteristics are documented in the Federal Logistics Information System.