310-0277-00

View detailed technical data, stock status, and sourcing information for: 310-0277-00

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310-0277-00
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-685-1970
Item Name Code
14218
Assigment Date
01/01/1963 (63 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

0.198 inches maximum outside diameter, 0.025 inches minimum material thickness, steel comp 302 overall material, 0.102 inches minimum hole diameter, w/s:helicopter, uscg search and rescue, hh-60j; helicopter, advance attack, ah-1w; helicopter, carrier based asw, sh-60f; helicopter, search and rescue, hh-60h; aircraft, c-2a (reprocured; consolidated targets; satellite commo terminal, an/vsc-7 and anpsc-3; aircraft, awacs, e-3a; consolidated avionics accessories; helicopter, mh-53e end item identification

Product Characteristics

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

Hole Diameter
0.102 inches minimum
Outside Diameter
0.198 inches maximum
Material Thickness
0.025 inches minimum
End Item Identification
w/s:helicopter, uscg search and rescue, hh-60j; helicopter, advance attack, ah-1w; helicopter, carrier based asw, sh-60f; helicopter, search and rescue, hh-60h; aircraft, c-2a (reprocured; consolidated targets; satellite commo terminal, an/vsc-7 and anpsc-3; aircraft, awacs, e-3a; consolidated avionics accessories; helicopter, mh-53e
Material
steel comp 302 overall
Style Designator
split helical-right hand

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5310-00-995-8183 No Name Available 07/16/1996

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
117902-003 Lock Washer
3-198X025SST Lock Washer
310-0277-00 Lock Washer
310-0277-000 Lock Washer
5310006851970 Lock Washer
76314-0400 Lock Washer
8200193-1 Lock Washer
9336C1001-2 Lock Washer
G221439-53 Lock Washer
P515833-1 Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-685-1970?
The FSCG of the NSN 5310-00-685-1970 is 5310
Does the NSN 5310-00-685-1970 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-00-685-1970 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 5310-00-685-1970 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-685-1970 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 5310-00-685-1970 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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