The Washer,lock, cataloged under National Stock Number 5310-00-616-6061, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Simmons Fastener Corp an Amfast Corp. Government technical data includes 6 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-616-6061 |
| Primary Part Number | B340 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Simmons Fastener Corp an Amfast Corp |
| Status | ACTIVE |
| Surface Treatment | CADMIUM OR NICKEL OR ZINC OVERALL |
| Hole Diameter | 0.312 INCHES NOMINAL IN |
| Material Thickness | 0.020 INCHES NOMINAL IN |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.625 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-616-6061 is a Washer,lock, manufactured by Simmons Fastener Corp an Amfast Corp, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-616-6061 has 2 cross-referenced part numbers: B340 (Simmons Fastener Corp an Amfast Corp), 735610 (L3harris Cincinnati Electronics Corporation).
There are 8 known substitutes for 5310-00-616-6061: 5305-00-144-3953, 4120-00-242-4839, 6105-01-147-7291 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for B340: Surface Treatment: CADMIUM OR NICKEL OR ZINC OVERALL; Hole Diameter: 0.312 INCHES NOMINAL IN; Material Thickness: 0.020 INCHES NOMINAL IN; Style Designator: SPLIT HELICAL-RIGHT HAND. 6 total characteristics are documented in the Federal Logistics Information System.