Model: 91253A144

Socket Head Cap Screw

Properties:

Thread Class
Course
Thread Direction
Right-hand
Thread Length
0.153 inches
Fastener Length
0.250 inches
Head Style
Flat countersunk
Head Diameter
0.307 inches
Internal Drive Style
Hexagon
End Application
Angular meas.
Thread Diameter
0.138 inches
Width Across Flats
0.078 inches
Thready Qty Per Inch (tpi)
32
External Thread Tolerance Class
6
Countersink Angle
82.0 degrees
Part Name Assigned By Controlling Agency
Black oxide alloy steel flat socket head cap screw
Color
Black
Material
Steel
Surface Treatment
Black chemical finish
Thread Series Designator
Unc
NSN
5305-01-609-3746
Part Number
91253A144
Description
Screw,cap,socket Head
CAGE
3A054

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 91253A144 NSN 5305-01-609-3746

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:
ESD:
MMAC:
CRITL:
X

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:
Trailers/Vehicles

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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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