Shouldered And Recessed Washer NSN 5310-01-357-1649

Item Description

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing, sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

NSN: 5310-01-357-1649

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Features and Characteristics

Hole Diameter

Between 0.255 inches and 0.265 inches

Shoulder Diameter

Between 0.499 inches and 0.505 inches

Outside Diameter

Between 0.777 inches and 0.807 inches

Overall Height

Between 0.157 inches and 0.159 inches

Recess Diameter

Between 0.365 inches and 0.395 inches

Shoulder Height

Between 0.094 inches and 0.096 inches

Hardness Rating

Between 53.0 rockwell c and 56.0 rockwell c

Recess Angle

Between 85.0 degrees and 95.0 degrees

Special Features

Shoulder radius 0.020 min and 0.035 max in

Material

Steel uns k44315

Material Specification

Ams 6419 comp 300m assn standard single material response

Style Designator

Shouldered and recessed

FSC

5310 Nuts And Washers

NIIN

013571649

NSN

5310013571649

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

757361-2

Cage Code:

99167

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 7616108000
NAICS: 332722
SITC: 69440
Description: Cotters, cotter-pins, washers and similar articles, of aluminum
End Use (Code 12300):
Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-01-357-1649

What are the manufacturers of nsn 5310013571649?

Hamilton Sundstrand Corporation (99167)

Does this nsn 5310013571649 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5310013571649
A washer, round in shape, having a centrally located hole. one bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. the thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. for items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing, sleeve; or spacer, sleeve. excludes insulator, washer and thrust type washers.

Does nsn 5310013571649 contain any precious metals?
No precious metal content.

Does nsn 5310013571649 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5310013571649?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

15935

FIIG:

A022B0

App. Key:

Cond. Code:

Status:

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