Model: MS51031-59

Setscrew

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.302 inches and 0.322 inches
Fastener Length
Between 0.302 inches and 0.322 inches
Head Style
Headless (setscrew)
Point Style
Flat
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
0.125 inches
Thready Qty Per Inch (tpi)
28
Material
Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 316
Surface Treatment
Passivate
Special Test Features
Special quality control testing
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Test Data Document
81349-mil-p-23199 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator
Unf
Nondefinitive Specification/std Data
1 type and 1 style
Departure From Cited Document
Material must conform to ships parts control center special quality control provisions
NSN
5305-00-165-1798
Part Number
MS51031-59
Description
Setscrew
CAGE
96906

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 MS51031-59 NSN 5305-00-165-1798

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:
U
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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