ASM2B18.21.1

Lock Washer

NSN 5310-00-685-3228

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 HD

NIIN:

006853228

Technical Specifications of NSN

Hole Diameter:

Between 0.448 inches and 0.464 inches

Outside Diameter:

Between 0.740 inches and 0.789 inches

Material Thickness:

Between 0.032 inches and 0.040 inches

End Application:

W/s: truck, heavy expanded mobility tactical (hemtt); m1a2 abrams tank, 2350-01-328-5964 (eaa cmbt85pk3); missile, advanced medium range air-to-air (amraam)/aim120a; support equipment, b-1 aircraft; aircraft, c-18a, ec-18b; helicopter landing system, lamps mk iii; smoke generator set, m157a2; radar set, an/pps-5b; armored security vehicle, model xm1117; tactical air opns module (an/tyq (23))

Hardness Rating:

Between 40.0 rockwell c and 50.0 rockwell c

Material:

Steel comp 1060 or steel comp 1070 or steel comp 1078 or steel comp 1080

Material Specification:

66 federal standard all material responses

Surface Treatment:

Cadmium and chromate

Surface Treatment Specification:

Qq-p-416, type 2, cl 3 federal specification single treatment response

Style Designator:

Flat internal teeth

Nondefinitive Specification/std Data:

1 type and a grade and 1 style and 1 composition

NSN:

5310-00-685-3228

Item Name:

Split Lock Washer

Cage Code:

05047

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RNCC:

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Part Number:

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Cage Code:

9009H

RNCC:

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Cage Code:

SCY13

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RNCC:

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Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

14218

FIIG:

A022B0

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

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:

194160

UFC:

55210

LTL:

50.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Split Lock Washer"

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces