Model: 13277

Externally Relieved Body Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.875 inches
Fastener Length
3.375 inches
Head Style
Dee chamfer
Head Diameter
0.750 inches
Head Height
0.250 inches
Distance From Centerline To Flat
0.281 inches
First Diameter From Head
Between 0.450 inches and 0.452 inches
Second Diameter From Head
Between 0.390 inches and 0.395 inches
Third Diameter From Head
Between 0.450 inches and 0.452 inches
Fourth Diameter From Head
Between 0.390 inches and 0.395 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.125 inches
Distance From Largest Bearing Surface Of Head To End Of Third Diameter
1.562 inches
Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter
2.500 inches
Thread Diameter
0.438 inches
Thready Qty Per Inch (tpi)
20
Externally Relieved Body Diameter Quantity
4
Material
Steel comp 4140
Material Specification
Sae assn standard single material response
Thread Series Designator
Unf
NSN
5306-00-374-8238
Part Number
13277
Description
Bolt,externally Relieved Body
CAGE
95201

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

Part 13277 NSN 5306-00-374-8238

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06675
FIIG:
A003B0
Concept No.:
App. Key:
BF
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:
573
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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