Model: 505020-1

Round Self-locking Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with metallic insert
Drive Point Depth
0.060 inches
Nut Style
Round
Nut Diameter
0.315 inches
Nut Thickness
0.300 inches
Drive Point Width
0.060 inches
Drive Point Quantity
2
Thread Series
Unc
Thready Qty Per Inch (tpi)
32
Thread Size
0.138 inches
Part Name Assigned By Controlling Agency
Navy special project
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6 t4 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625 type 2 cl 2 military specification single treatment response
NSN
5310-01-054-2556
Part Number
505020-1
Description
Nut,self-locking,round
CAGE
20284

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protusions, slots or splines in or on the periphery or in the face opposite the bearing surface. An integral feature is incorporated for locking on the threads of a mating member. Do not use if a more specific item name applies. Excludes collar, pin-rivet, threaded; insert, screw thread; nut (1), sleeve; nut(1), plain, cap; and turnbuckle body.

Part 505020-1 NSN 5310-01-054-2556

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15895
FIIG:
A021A0
Concept No.:
1
App. Key:
CA
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:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7616995095
  • SITC: 69979
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Articles of aluminum nesoi

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