The Washer,flat, cataloged under National Stock Number 5310-00-187-8661, is classified within Federal Supply Class 5310 (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 8 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-187-8661 |
| Primary Part Number | 4172A |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Thickness | 0.062 INCHES NOMINAL IN |
| Overall Diameter | 0.750 INCHES NOMINAL IN |
| Material | STEEL COMP 1212 OVERALL |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.453 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND |
| Cross-Sectional Shape Style | RECTANGULAR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-187-8661 is a Washer,flat, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-187-8661 has 4 cross-referenced part numbers: 4172A (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), 4172A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 4172A (Hackney Bros Body Co), 4172A (Hercules Engine Co Inc).
There is 1 known substitute for 5310-00-187-8661: 3040-00-288-3208. Verify interchangeability with system specifications before substitution.
Key specifications for 4172A: Thickness: 0.062 INCHES NOMINAL IN; Overall Diameter: 0.750 INCHES NOMINAL IN; Material: STEEL COMP 1212 OVERALL; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.