Model: HK52738-4DL

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
Between 0.505 inches and 0.515 inches
Lubrication
Dry film lubricant
Overall Height
0.292 inches
Nut Style
Hexagon
Washer Thickness
Between 0.113 inches and 0.123 inches
Width Across Flats
Between 0.305 inches and 0.313 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Material
Iron alloy 660
Material Specification
Ams 5525 assn standard 1st material response washer or ams 5737 assn standard 2nd material response washer
Material Specification
Ams 5737 assn standard single material response nut
Material Specification
Ams 5737 assn standard single material response
Surface Treatment
Disulfide molybdenum washer
Surface Treatment
Anodize nut
Surface Treatment Specification
Qq-p-35 federal specification single treatment response washer
NSN
5310-01-445-0770
Part Number
HK52738-4DL
Description
Nut,self-locking,extended Washer
CAGE
15653

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part HK52738-4DL NSN 5310-01-445-0770

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29730
FIIG:
A021A0
Concept No.:
1
App. Key:
BT
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:
A
ESD:
ESD:
MMAC:
BA
CRITL:
X

Pricing & Availability Check

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



Privacy Policy    Terms & Conditions

How to Order  

Ordering from buyaircraftparts.com

If you would like to order this extended washer self-locking nut (NSN 5310-01-445-0770) 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: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

Highest Rated Parts
Recently Purchased Parts
Hot Parts