Model: MS51974-139

Setscrew

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.552 inches and 0.572 inches
Fastener Length
Between 0.552 inches and 0.572 inches
Head Style
Headless (setscrew)
Locking Feature
Pellet threads or patch threads or strip threads
Point Style
Cone
Internal Drive Style
Hexagon
Thread Diameter
0.375 inches
Width Across Flats
0.188 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
45.0 rockwell c and 53.0 rockwell c 45.0 rockwell c fastener and 53.0 rockwell c fastener
Material
Steel plastic polyamide locking featuresteel comp 4032 fastener or steel comp 4037 fastener or steel comp 4137 fastener or steel comp 4140 fastener or steel comp 8630 fastener or steel comp 8740 fastener
Surface Treatment
Cadmium and chromate cadmium fastener and chromate fastener
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response qq-p-416, type 2, cl 3 federal specification single treatment response fastener
Thread Series Designator
Unf
Nondefinitive Specification/std Data
1 type and 101 style
NSN
5305-01-358-3659
Part Number
MS51974-139
Description
Setscrew
CAGE
80205

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part MS51974-139 NSN 5305-01-358-3659

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06672
FIIG:
A003B0
Concept No.:
App. Key:
SQ
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:
SX
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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