The Washer,lock, cataloged under National Stock Number 5310-01-540-5685, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. 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 | 5310-01-540-5685 |
| Primary Part Number | NASM35338-139 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Outside Diameter | 0.487 INCHES MAXIMUM IN |
| Material | STEEL COMP 316 OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Hole Diameter | 0.252 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| NASM35338-139 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 50331 | Eka Limited (GBR) |
NSN 5310-01-540-5685 is a Washer,lock, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-540-5685 has 2 cross-referenced part numbers: NASM35338-139 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 50331 (Eka Limited).
There are 8 known substitutes for 5310-01-540-5685: 5310-00-050-3331, 5330-00-285-9446, 3010-00-356-3309 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for NASM35338-139: Outside Diameter: 0.487 INCHES MAXIMUM IN; Material: STEEL COMP 316 OVERALL; Surface Treatment: PASSIVATE OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND. 6 total characteristics are documented in the Federal Logistics Information System.