Model: LP257-1

Self-locking Stud

Properties:

Thread Class
2a nut thread
Thread Direction
Right-hand nut thread
Thread Length
0.297 inches nut thread and 0.327 inches nut thread
Head Diameter
Between 0.197 inches and 0.201 inches
Head Length
Between 0.054 inches and 0.062 inches
Locking Feature
Self-clinching head
Overall Length
Between 0.377 inches and 0.417 inches
Distance Across Flats
0.250 inches
Thready Qty Per Inch (tpi)
40 nut thread
Thread Size
0.112 inches nut thread
Material
Steel comp 303
Material Specification
Astm a582 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Self-locking
Thread Series Designator
Unc nut thread
NSN
5307-00-998-5105
Part Number
LP257-1
Description
Stud,self-locking
CAGE
03038

Part LP257-1 NSN 5307-00-998-5105

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
27783
FIIG:
A051A0
Concept No.:
App. Key:
D
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:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
066440
UFC:
36960
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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