Model: 51281

Setscrew

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 1.110 inches and 1.150 inches
Fastener Length
Between 1.310 inches and 1.330 inches
Head Style
Flat chamfer
Head Diameter
Between 0.230 inches and 0.250 inches
Head Height
Between 0.110 inches and 0.130 inches
Point Length
Between 0.180 inches and 0.200 inches
Point Diameter
Between 0.180 inches and 0.185 inches
Point Style
Chamfer dog
Internal Drive Style
Cross recess type 1
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
24
Point Chamfer Angle
45.0 degrees
Material
Steel comp 1213
Material Specification
Qq-s-633 federal specification single material response
Thread Series Designator
Unf
NSN
5305-00-286-0520
Part Number
51281
Description
Setscrew
CAGE
63728

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 51281 NSN 5305-00-286-0520

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:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
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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