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5310-00-276-8711

Find complete technical information, availability, and procurement data for: 5310-00-276-8711

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5310-00-276-8711
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-276-8711
Item Name Code
16979
Assigment Date
01/01/1963 (63 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.

3b thread class, 2.990 inches minimum and 3.010 inches maximum width across flats, 0.307 inches minimum and 0.312 inches maximum nut height, plain, octagon nut style, right-hand thread direction

Product Characteristics

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

Thread Class
3b
Thread Direction
right-hand
Nut Style
plain, octagon
Nut Height
0.307 inches minimum and 0.312 inches maximum
Width Across Flats
2.990 inches minimum and 3.010 inches maximum
Temp Rating
1550.0 fahrenheit nominal
Thread Series
un
Features Provided
casehardened
Thread Quantity Per Inch
16
Nominal Thread Size
2.250 inches
Bearing Surface Type
chamfered or washer faced
Material
steel overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5310-00-525-0213 No Name Available 01/01/1963

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
BB4252B Octagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-276-8711?
The FSCG of the NSN 5310-00-276-8711 is 5310
Does the NSN 5310-00-276-8711 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-276-8711 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 5310-00-276-8711 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-276-8711 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 5310-00-276-8711 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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