Aerospace Hardware Store

Aerospace

Hardware

71280 Key Washer

5310-00-033-1721

Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.

Request for Quote

Send us a request for quote using the form below. Our team will promptly provide you with the latest pricing and availability details.

AS9120 ISO9001 Aviation Suppliers Association Global Shipping

Featured Parts

PAC/12129498
5940-01-514-9972
Quick Disconnect Terminal
PAC 15324063
5340-01-576-8939
Lock Bar
PAC 15324857
5940-01-610-5171
Sectiona Terminal Junction Block
PAC 15324857 B
5940-01-523-1478
Sectiona Terminal Junction Block
PAC 15324980 B
5340-01-226-8078
Dust and Moisture Seal Boot
PAC/15326262L
5940-01-541-6205
Quick Disconnect Terminal
PAC/15326267
5940-01-541-6205
Quick Disconnect Terminal
PAC-18RP
4820-01-182-4457
Flow Control Valve

Need Assistance?

Our catalog is extensive, but we understand that sometimes specific needs might not be immediately available. If you could not find the exact products you were searching for, we are here to help!

Contact us directly, and our team will assist you in finding the perfect solution for your requirements.

Contact Us

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

  • Genuine Manufacturers Parts
  • 100% Product Inspection
  • 7 Year Sales Record Retention
  • Fast On-Time Delivery
  • HAZMAT Certified
  • Global Shipping

Official Item Classification

Name
Key Washer
Part Number
71280
(NSN) National Stock Number
5310-00-033-1721
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
01869
(FIIG) Federal Item Identification Guide
A022B0
Date
01/01/1963 (63 years ago)

0.312 inches minimum and 0.315 inches maximum hole diameter, 0.195 inches minimum and 2.000 inches maximum external prebent key width, 0.570 inches minimum and 0.590 inches maximum outside diameter, internal key quantity, 5 external key quantity

Specs & Compatibility

Hole Diameter

0.312 inches minimum and 0.315 inches maximum

Outside Diameter

0.570 inches minimum and 0.590 inches maximum

External Prebent Key Width

0.195 inches minimum and 2.000 inches maximum

External Key Quantity

5

Internal Key Quantity

Material Thickness

0.031 inches nominal

Material

nickel alloy overall

Material Document And Classification

qq-n-271 fed spec single material response overall

Style Designator

external and internal pre-bent keys

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0001869

Related Hardware Products

Part Number Description
71280 Key Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-033-1721?
The FSCG of the NSN 5310-00-033-1721 is 5310
Does the NSN 5310-00-033-1721 have a Schedule B code assigned?
Yes, the Schedule B code is 7508900000
Does NSN 5310-00-033-1721 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5310-00-033-1721 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-033-1721 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5310-00-033-1721 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963