Model: 91253A309

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 1.000 inches and 1.500 inches

Fastener Length

1.000 inches

Head Style

Flat countersunk

Head Diameter

0.531 inches

Head Height

0.161 inches

Internal Drive Style

Hexagon

End Application

5410-01-441-8054

Thread Diameter

0.250 inches

Width Across Flats

0.156 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

144000 pounds per square inch

Hardness Rating

39.0 rockwell c and 44.0 rockwell c

Countersink Angle

82.0 degrees

Part Name Assigned By Controlling Agency

Screw, countersunk, hex socket

Color

Black

Material

Steel

Material Specification

Astm f825 assn standard all material responses

Surface Treatment

Oxide

Thread Series Designator

Unf

NSN

5305-01-535-4138

Part Number

91253A309

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 91253A309 NSN 5305-01-535-4138

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:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

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