Model: MIL-N-45913

Extended Washer Self-locking Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.560 inches
Lubrication
Dry film lubricant
Overall Height
0.300 inches
Nut Style
Hexagon
Washer Thickness
Between 0.040 inches and 0.060 inches
Width Across Flats
Between 0.4280 inches and 0.4385 inches
Thread Series
Unc
Thready Qty Per Inch (tpi)
20
Hardness Rating
Between 24.0 rockwell c and 32.0 rockwell c
Thread Size
0.250 inches
Material
Steel
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
NSN
5310-00-159-1577
Part Number
MIL-N-45913
Description
Nut,self-locking,extended Washer
CAGE
81348

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 MIL-N-45913 NSN 5310-00-159-1577

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:
U
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:

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: 8710000090
  • SITC: 89111
  • End Use: Military trucks, armored vehicles, etc.
  • NAICS: 336992
  • USDA: 1

Freight Class: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons

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