Model: M45938/8-21C

Clinch Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Pilot Diameter
0.222 inches
Pilot Length
0.085 inches
Counterbore Diameter
0.165 inches nut
Lubrication
Soluble lubricant
Nut Style
Clinch
Nut Height
0.273 inches
Nut Counterbore Depth
0.080 inches nut
End Application
Helicopter, search and rescue, hh-60h; spruance class dd (963); helicopter, carrier based asw, sh-60f; helicopter, advance attack, ah-1w; helicopter, uscg search and rescue, hh-60j; forrestal class cv; milstar system; radio terminal, digital troposcatter (an/trc-170); ticonderoga class cg (47); helicopter, mh-53e; tarawa class lha
Width Across Flats
0.313 inches
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unjc
Thready Qty Per Inch (tpi)
32
Thread Size
0.138 inches
Material
Plastic polyhexamethylene amide locking insert or plastic polycaprolactam locking insert
Material
Steel comp 303 nut or steel comp 303se nut or steel comp 303 plus x nut
Material Specification
Ams 5640 assn standard single material response nut
Material Specification
Mil-m-20693 military specification all material responses locking insert
Surface Treatment
Passivate except insert
NSN
5310-00-616-8242
Part Number
M45938/8-21C
Description
Nut,self-locking,clinch
CAGE
81349

A nut having a sleeve portion on its under side, which can be crimped or clinched to hold the item in place when inserted in a hole. An integral feature is incorporated for locking.

Part M45938/8-21C NSN 5310-00-616-8242

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15892
FIIG:
A021A0
Concept No.:
1
App. Key:
BN
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:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

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: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

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