Model: A51M42537-11

Internally Relieved Body Bolt
Description:

3a thread class, right-hand , 0.334 inches thread length, 1.957 inches fastener length, hexagon head style, 0.188 inches head height.

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.334 inches
Fastener Length
Between 1.957 inches and 1.967 inches
Head Style
Hexagon
Head Height
0.188 inches
Width Between Flats
Between 0.865 inches and 0.877 inches
Shoulder Diameter
Between 0.7476 inches and 0.7482 inches
Shoulder Length
Between 1.519 inches and 1.529 inches
Shank Unthreaded Hole Diameter
0.110 inches first hole and 0.115 inches first hole
Concentric Hole Depth
1.480 inches
Counterbore Diameter
0.740 inches
Counterbore Depth
0.110 inches
Concentric Hole Diameter
Between 0.196 inches and 0.201 inches
Thread Diameter
0.375 inches
Thready Qty Per Inch (tpi)
24
Distance From Head Largest Bearing Surface To Shank Hole Center
1.786 inches first hole and 1.796 inches first hole
Material
Steel
Material Specification
G-1010, fscm 26512 mfr ref single material response
Surface Treatment
Cadmium
Style Designator
Counterbore unthreaded
Thread Series Designator
Unjf
NSN
5306-00-008-8971
Part Number
A51M42537-11
Description
Bolt,internally Relieved Body
CAGE
26512

An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.

Part A51M42537-11 NSN 5306-00-008-8971

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06676
FIIG:
A003B0
Concept No.:
App. Key:
BN
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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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