Model: 1286M77G02

Externally Relieved Body Bolt

Special Features:

Furnished with actuation ring in head

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.470 inches and 0.510 inches
Fastener Length
Between 0.580 inches and 0.600 inches
Head Style
Hexagon
Head Height
Between 0.205 inches and 0.215 inches
Width Between Flats
Between 0.553 inches and 0.564 inches
First Diameter From Head
Between 0.189 inches and 0.194 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.090 inches and 0.111 inches
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
130000 pounds per square inch
Hardness Rating
24.0 rockwell c and 35.0 rockwell c
Minimum Yield Strength
85000 pounds per square inch
Externally Relieved Body Diameter Quantity
1
Material
Iron alloy 660
Material Specification
Ams 5731 assn standard single material response
Thread Series Designator
Unjf
NSN
5306-01-236-4354
Part Number
1286M77G02
Description
Bolt,externally Relieved Body
CAGE
07482

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 1286M77G02 NSN 5306-01-236-4354

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:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

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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