Model: A51G20121-14

Key Washer

Special Features:

Internal key 135 degrees from prebent key

Properties:

Hole Diameter
Between 0.470 inches and 0.480 inches
Outside Diameter
Between 0.703 inches and 0.735 inches
External Prebent Key Length
Between 0.045 inches and 0.055 inches
External Prebent Key Width
Between 0.105 inches and 0.115 inches
Internal Straight Key Width
Between 0.059 inches and 0.065 inches
Distance From Centerline To Top Of Internal Key
Between 0.216 inches and 0.220 inches
Distance From Centerline To Inside Of Prebent Key
Between 0.349 inches and 0.359 inches
Overall Distance Including Keys
Between 0.748 inches and 0.755 inches
Material Thickness
0.038 inches
Hardness Rating
Between 33.0 rockwell c and 37.0 rockwell c
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 4130
Material Specification
Mil-s-18729 military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Mil-c-8837, type 2 class 1 military specification single treatment response
Style Designator
Key
NSN
5310-00-257-5850
Part Number
A51G20121-14
Description
Washer,key
CAGE

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

Part A51G20121-14 NSN 5310-00-257-5850

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01869
FIIG:
A022B0
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

Pricing & Availability Check

Submit this form for stock availability and pricing.
Part Number:
Quantity:
Email Address:
Phone Number:
Your Name:
Company:

How to Order  

Ordering from buyaircraftparts.com

If you would like to order this key washer (NSN 5310-00-257-5850) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours: 08:00-18:00 Eastern Standard Time
Phone: +1 470-231-0824
Email: Contact Form »
Schedule B and Export
  • Schedule B: 7318220000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Washers other than lock washers, iron or steel

Highest Rated Parts
Recently Purchased Parts
Hot Parts