Model: 13277

Externally Relieved Body Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.865 inches and 0.885 inches
Fastener Length
Between 3.365 inches and 3.385 inches
Head Style
Dee chamfer
Head Diameter
Between 0.740 inches and 0.760 inches
Head Height
Between 0.240 inches and 0.260 inches
Distance From Centerline To Flat
Between 0.271 inches and 0.291 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 0.452 inches and 0.453 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
Between 0.115 inches and 0.135 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
Between 1.178 inches and 1.198 inches
Distance From Largest Bearing Surface Of Head To End Of Third Diameter
Between 1.552 inches and 1.572 inches
Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter
Between 2.490 inches and 2.510 inches
Thread Diameter
0.438 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
33.0 rockwell c and 36.0 rockwell c
Externally Relieved Body Diameter Quantity
4
Material
Steel comp 4140
Material Specification
66 federal standard single material response
Thread Series Designator
Unf
NSN
5306-00-630-1823
Part Number
13277
Description
Bolt,externally Relieved Body
CAGE
27315

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 5306-00-630-1823

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:
--
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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