Model: 1220B1278

Mechanical Stop

Special Features:

The material is made per qq-n-281, cl a

Properties:

Thread Class

Overall Length

Between 2.2900 inches and 2.3000 inches

Flange Thickness

0.1200 inches

Design Type

Flange

Thready Qty Per Inch (tpi)

Thread Size

0.312 inches

Material

Copper alloy

Thread Series Designator

Unc

NSN

5340-01-414-7559

Part Number

1220B1278

Description

Stop,mechanical

CAGE

03538

An item designed to restrict the movement of a rotary mechanism, linear mechanism or its components. It protects a mechanism from loss of adjustment or damage due to extreme movement. It may be wedge shaped with a threaded shank projecting from the apex or it may be round or rectangular in cross section, with mounting holes or slots, and is usually longer than its width. Excludes key, machine, and bumper (as modified).

Part 1220B1278 NSN 5340-01-414-7559

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

40270

FIIG:

A536N0

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:

095190

UFC:

49790

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Equipment for Aircraft

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Schedule B and Export

Schedule B: 8803300060
SITC: 79295
End Use: Parts for military-type goods
NAICS: 336413
USDA: 1

Freight Class: Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)