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Shouldered And Recessed Washer NSN 5310-01-124-1271

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 5310-01-124-1271 NSN: 5310-01-124-1271

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Features and Characteristics

Hole Diameter
0.870 inches
Shoulder Diameter
0.940 inches
Outside Diameter
Between 1.030 inches and 1.090 inches
Shoulder Height
Between 0.045 inches and 0.050 inches
Material Thickness
Between 0.125 inches and 0.130 inches
Recess Angle
Between 57.0 degrees and 63.0 degrees
Material
Steel comp 301 or steel comp 630
Material Specification
Mil-s-5059, cond 1/2 hard military specification 1st material response or ams 5643, cond h1025 assn standard 2nd material response
Surface Treatment
Passivate
Surface Treatment Specification
Ps13001, fscm 76301 mfr ref single treatment response
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
011241271
NSN
5310011241271

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
4202046-1
Cage Code:
33068
Status:
A
MSDS:
Part Number:
10109422
Cage Code:
A486G
Status:
A
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 5310-01-124-1271
What are the manufacturers of nsn 5310011241271?
Does this nsn 5310011241271 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011241271
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 5310011241271 contain any precious metals?
No precious metal content.
Does nsn 5310011241271 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011241271?
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:
A
Cond. Code:
1
Status:
A

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