Model: 21742-2

Clamp Bolt Assembly

Properties:

Thread Class

Mounting Method

Plate

Thready Qty Per Inch (tpi)

Thread Size

0.312 inches

Material

Aluminum alloy nut

Material

Steel comp 416 bolt

Material Specification

Qq-a-591 federal specification single material response nut

Surface Treatment

Chromate nut

Surface Treatment

Passivate bolt

Surface Treatment Specification

Mil-c-5541 military specification single treatment response nut

Surface Treatment Specification

Mil-f-14072, finish e300 military specification single treatment response bolt

Style Designator

Wing no. 1

NSN

5340-00-231-5226

Part Number

21742-2

Description

Bolt Assembly,clamp

CAGE

81860

A threaded item having an eye on one end designed to accommodate a hinge pin, or a pin inserted at right angles to the shank. It must have an adjusting nut assembled on the threads. The end of the threads may be headed, or a cap nut or similar device attached to prevent disassembly of the adjusting nut. It may also have a washer, collar or retainer assembled between the nut and hinge mounted end. Includes items having a bracket or lug mounting. It is used to rigidly clamp items to a structure, instrument, or the like.

Part 21742-2 NSN 5340-00-231-5226

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

20271

FIIG:

A03100

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:

0.2000lbs

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