Model: A51B92504-13

Shoulder Bolt
Description:

3a thread class, right-hand , 1.000 inches thread length, 3.270 inches fastener length, round w/wrench flats chamfered head style.

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.000 inches
Fastener Length
Between 3.270 inches and 3.275 inches
Head Style
Round w/wrench flats chamfered
Head Diameter
1.687 inches
Head Height
0.150 inches
Width Between Flats
1.568 inches
Shoulder Diameter
1.3725 inches first shoulder and 1.3740 inches first shoulder
Shoulder Diameter
1.3725 inches and 1.3740 inches first shoulder
Shoulder Length
2.270 inches first shoulder and 2.275 inches first shoulder
Shoulder Length
2.270 inches and 2.275 inches first shoulder
Thread Diameter
0.750 inches
Thready Qty Per Inch (tpi)
16
Hardness Rating
46.0 rockwell c and 49.0 rockwell c
Hardness Rating
46.0 rockwell c and 49.0 rockwell c
Shoulder Shape
Round first shoulder
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp d6ac
Material Specification
Mil-s-8949, cond f military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Mil-c-8837, type 2, class 1 military specification single treatment response
Thread Series Designator
Unjf
NSN
5306-00-003-6571
Part Number
A51B92504-13
Description
Bolt,shoulder
CAGE

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes thumbscrew.

Part A51B92504-13 NSN 5306-00-003-6571

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04905
FIIG:
A003B0
Concept No.:
App. Key:
BY
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:
--
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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