277-5751-270

View detailed technical data, stock status, and sourcing information for: 277-5751-270
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-093-1572

Item Name Code

14218

Assigment Date

04/10/1980 (46 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

0.396 inches minimum and 0.408 inches maximum outside diameter, 0.256 inches minimum and 0.267 inches maximum hole diameter, astm a582 assn std single material response overall material document and classification, 0.018 inches minimum and 0.025 inches maximum material thickness, steel comp 303 overall material

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 0.256 inches minimum and 0.267 inches maximum
Outside Diameter: 0.396 inches minimum and 0.408 inches maximum
Material Thickness: 0.018 inches minimum and 0.025 inches maximum
Material: steel comp 303 overall
Material Document And Classification: astm a582 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Style Designator: flat internal teeth

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
0N269886	Lock Washer
2098-5496-09	Lock Washer
277-5751-270	Lock Washer
406586-1	Lock Washer
A3084356	Lock Washer

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-01-093-1572?

The FSCG of the NSN 5310-01-093-1572 is 5310

Does the NSN 5310-01-093-1572 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-093-1572 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 5310-01-093-1572 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-093-1572 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 5310-01-093-1572 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Thu, Apr 10, 1980