Model: 1.250008UN2A3.500T2G4340SEA

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

3.500 inches

Fastener Length

3.500 inches

Head Style

Hexagon

Head Height

Between 0.749 inches and 0.813 inches

Width Between Flats

Between 1.812 inches and 1.875 inches

Internal Drive Style

Square

Thread Diameter

1.250 inches

Width Across Flats

0.875 inches

Thready Qty Per Inch (tpi)

Material

Steel

Thread Series Designator

Unc

Nondefinitive Specification/std Data

1 type and 4340 grade

NSN

5305-01-494-0542

Part Number

1.250008UN2A3.500T2G4340SEA

Description

Screw,cap,socket Head

CAGE

81349

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 1.250008UN2A3.500T2G4340SEA NSN 5305-01-494-0542

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:

2.0000lbs

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