Lock Washer

Model / MPN: 1390 PLAIN | NSN: 5310-00-184-8970

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Product Details

NATO Stock Number

5310-00-184-8970

Sold in multiples of

1 HD

DEMIL

Hole Diameter

Between 0.255 inches and 0.263 inches

Outside Diameter

0.489 inches

Material Thickness

Between 0.062 inches and 0.072 inches

Hardness Rating

90.0 rockwell b

Material

Copper alloy

Material Specification

Qq-b-750, comp a federal specification single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification single treatment response

Style Designator

Split helical-right hand

1390 Series Parts

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

1390 PLAIN Cross Reference

AN935B416
AN935B416L
N0407P00041C11
2300+0931+001
804229
310-0082-00
310-0400-000
900873-09
209-4510945-44
MS35338-101
310-0102-00
1390 PLAINADX
H410002-006
AN935B416
MS35338-101