Model: 91780A162

Spacing Threaded Standoff

Special Features:

Finish plain; hex width .25", tolerance +/- .003"; screw size 4-40; fully threaded; rockwell hardness b60; tensil strength 55, 000psi

Properties:

Thread Class

2b left internal (includes through thread)

Thread Direction

Right-hand left internal (includes through thread)

Thread Length

0.250 inches left internal (includes through thread)

Length

Between 0.245 inches and 0.255 inches

End Application

Mrap - unique nsn - used on 2 mrap variants

Cross-sectional Shape

Octagon

Part Name Assigned By Controlling Agency

4-40 x 1/4" standoff

Material

Aluminum

Style Designator

Internally threaded full length

NSN

5340-01-572-4217

Part Number

91780A162

Description

Standoff,threaded,spacing

CAGE

39428

A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see stud (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see nut (as modified); use maximum dimensions(s) for compliance.

Part 91780A162 NSN 5340-01-572-4217

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

40280

FIIG:

A08900

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:

Construction Materials

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Schedule B and Export

Schedule B: 8710000090
SITC: 89111
End Use: Military trucks, armored vehicles, etc.
NAICS: 336992
USDA: 1

Freight Class: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons