Model: 91251A302

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
4.500 inches
Fastener Length
4.500 inches
Head Style
Hexagon
Head Height
0.750 inches
Width Between Flats
1.125 inches
Internal Drive Style
Hexagon
Thread Diameter
0.750 inches
Width Across Flats
0.625 inches
Thready Qty Per Inch (tpi)
16
Min. Tensile Strength (psi)
170000 pounds per square inch
Hardness Rating
37.0 rockwell c and 45.0 rockwell c
Part Name Assigned By Controlling Agency
Alloy steel hex socket head cap screw
Color
Black
Material
Steel
Material Specification
A574 assn standard single material response
Surface Treatment
Oxide
Thread Series Designator
Unc
NSN
5305-01-547-3634
Part Number
91251A302
Description
Screw,cap,socket Head
CAGE
39428

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part 91251A302 NSN 5305-01-547-3634

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
Concept No.:
App. Key:
SC
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:
A
ESD:
A
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:
096640
UFC:
50600
LTL:
70.0
LCL:
--
WCC:
713
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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