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)

External Thread Tolerance Class

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:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

096640

UFC:

50600

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

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