Home » FSC Catalog » Nuts And Washers » 5310-00-010-2640

Hexagon Plain Nut

SKU: 5310000102640 | Model: FFB571ATYPEA
NSN 5310-00-010-2640 NSN 5310-00-010-2640

2B thread class, right-hand , hexagon nut style, 0.632" nut height, 1.088" width across flats, unc thread series, 10 thread quantity per inch

Specifications from the Manufacturer

Thread Class:
Thread Direction:
Nut Style:
Nut Height:
0.632 inches minimum and 0.680 inches maximum
Width Across Flats:
1.088 inches minimum and 1.125 inches maximum
Thread Series:
Thread Quantity Per Inch:
Nominal Thread Size:
0.750 inches
Bearing Surface Type:
Chamfered or washer faced
Steel overall

Pricing and Availability

Request a Quote

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.


Order With Confidence

Certified quality parts supplier
  • MSDS Hazmat Certified
  • certified Committed to quality with 100% product inspection
  • on time delivery icon On-time delivery
Recently Updated in Nuts And Washers
NSN 5310-00-010-7434 Plate Plain Nut

0.208" mounting hole diameter, plate nut style, 0.040" plate thickness, 2 holes mounting hole arrangement style, 0.938" distance from aperture center to mounting hole center

NSN 5310-00-010-7354 Stamped Nut

Stamped nut style, 0.176" nut height, 0.875" width across flats, steel material, cadmium or zinc surface treated

NSN 5310-00-010-6637 Hexagon Plain Nut

2B thread class, right-hand , hexagon nut style, 0.453" nut height, 0.625" width across flats, unf thread series, 20 thread quantity per inch

NSN 5310-00-010-6500 Lock Washer

0.509" hole diameter, 0.877" outside diameter, 0.099" material thickness, 45.0 Rockwell c hardness rating, steel comp 1060 or steel comp 1561 or steel comp 1064 or steel comp 1065 or steel comp 1566 or steel comp 1069 or steel comp 1070 or steel comp 1071 or steel comp 1572 or steel comp 1074 or steel comp 1075 or steel comp 1078 or steel comp 1080 material

NSN 5310-00-010-2640 Datasheet

Supply Class:


Cross Reference:

  • 3271376
  • 322661PC221
  • 321268
  • 322044PC104
  • 322660PC221
  • 331320SH3ITEM33
  • 332366SH3ITEM20
  • 332407SH5ITEM21
  • 82328
  • 5231-54-5
  • 337B1
  • 45511E7
  • 63814E7
  • 170839
  • 507925

Cage Codes:

  • Federal Specifications (CAGE 81348)
  • Hatch & Kirk, Inc. (CAGE 55380)
  • D.w. Hercules, Llc (CAGE 1ML14)
  • Hayes Wheels Intl Inc (CAGE 41885)
  • Chief Of Engineers (CAGE 81336)
  • Diamond Reo Truck Co (CAGE 56442)
  • Alliedsignal Inc (CAGE 09386)
  • Capitol Gears Inc (CAGE 70691)
  • Fruehauf Corp (CAGE 23705)

Replaced or Cancelled:

5310-00-010-2640 is not a replacement of any national stock number and has not been cancelled or replaced itself.


NIIN: 000102640
NSN: 5310000102640
DEMIL Code Meaning: Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations.

Reference Drawing:

[drawing of 5310-00-010-2640]

Schedule B & Trade:

7318160000 (NAICS 332722)
Nuts of iron or steel

Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, threaded, of iron or steel

End Use:

Finished metal shapes

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 5310-00-010-2640 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
No recorded entities for this stock number.
How is national stock number 5310-00-010-2640 defined?
A nut, flat on top and bottom having 6 flat sides. for items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. see also locknut, tube fitting. for items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
What is the NIIN of NSN 5310-00-010-2640?
000102640 or 00-010-2640
Does this item require Demilitarization?
Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9).
Is NSN 5310000102640 ITAR controlled?
No. This item is not ITAR Controlled.
What is the most recent solicitation for NSN 5310000102640?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963