The Washer,lock, cataloged under National Stock Number 5310-00-151-5011, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Borg-Warner Corp Marvel-Schebler/tillotson Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-151-5011 |
| Primary Part Number | 78-375 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Borg-Warner Corp Marvel-Schebler/tillotson Div |
| Status | CANCELLED |
| Hole Diameter | 0.473 INCHES MINIMUM AND 0.477 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-421 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | CADMIUM OVERALL |
| Material Thickness | 0.033 INCHES NOMINAL IN |
| Outside Diameter | 0.580 INCHES MINIMUM AND 0.584 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 ROCKWELL B MINIMUM AND 85.0 ROCKWELL B MAXIMUM |
| Style Designator | FLAT INTERNAL TEETH |
| Material | STEEL COMP 1010 OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5310-00-151-5011 is a Washer,lock, manufactured by Borg-Warner Corp Marvel-Schebler/tillotson Div, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-151-5011 has 2 cross-referenced part numbers: 78-375 (Borg-Warner Corp Marvel-Schebler/tillotson Div), A78-375 (Borg-Warner Corp Marvel-Schebler/tillotson Div).
There are 2 known substitutes for 5310-00-151-5011: 3110-00-117-0643, 4820-01-398-8460. Verify interchangeability with system specifications before substitution.
Key specifications for 78-375: Hole Diameter: 0.473 INCHES MINIMUM AND 0.477 INCHES MAXIMUM IN; Special Features: ONE FLAT SIDE; Surface Treatment Document and Classification: QQ-P-421 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-151-5011 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.