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Hexagon Plain Nut

SKU: 5310000102638 | Model: FFB571TYPEA
NSN 5310-00-010-2638 NSN 5310-00-010-2638

2B thread class, right-hand , hexagon nut style, 0.484" nut height, mrap - mrv , 0.875" width across flats

Specifications from the Manufacturer

Thread Class:
Thread Direction:
Nut Style:
Nut Height:
0.484 inches nominal
For Use With/On:
Mrap - mrv
Width Across Flats:
0.875 inches nominal
Thread Series:
Thread Quantity Per Inch:
Nominal Thread Size:
0.562 inches
Bearing Surface Type:
Chamfered or washer faced
Steel overall
Material Document And Classification:
Qq-s-633-canc fed spec single material response overall

Pricing and Availability

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Stamped nut style, 0.150" nut height, 0.625" width across flats, steel comp 1045 or steel comp 1046 or steel comp 1049 or steel comp 1050 or steel comp 1053 or steel comp 1055 or steel comp 1060 or steel comp 1070 or steel comp 1078 or steel comp 1080 or steel comp 1084 or steel comp 1090 or steel comp 1095 material

NSN 5310-00-010-7823 Stamped Nut

Stamped nut style, 0.130" nut height, 0.551" width across flats, steel comp 1050 or steel comp 1551 or steel comp 1059 or steel comp 1060 or steel comp 1561 or steel comp 1064 or steel comp 1065 or steel comp 1566 material

NSN 5310-00-010-7816 Stamped Nut

Stamped nut style, 0.140" nut height, 0.625" width across flats, steel material, cadmium or zinc surface treated

NSN 5310-00-010-2638 Datasheet

Supply Class:


Cross Reference:

  • N-39-1
  • K403

Cage Codes:

  • Federal Specifications (CAGE 81348)
  • Axletech International, Llc (CAGE 3D6E9)
  • Rix Industries (CAGE 28953)

Replaced or Cancelled:

5310-00-010-2638 is not a replacement of any national stock number and has not been cancelled or replaced itself.


NIIN: 000102638
NSN: 5310000102638
DEMIL Code Meaning: Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations.

Freight Codes:

NMF Desc: Bolts, Nuts Or Screws, Noi (sub 3)
NMFC: 093486
UFC: 48950
LTL: Rating variable
LCL: 50.0
WCC: Bolts or nuts (iron or steel),(less than 35 feet)
TCC: No special type of cargo code applicable
SHC: Other or no special handling required (sh)
ADC: Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC: Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
ASH: No special handling required.

Reference Drawing:

[drawing of 5310-00-010-2638]

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 5310-00-010-2638 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 5310-00-010-2638 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 5310-00-010-2638?
000102638 or 00-010-2638
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 5310000102638 ITAR controlled?
No. This item is not ITAR Controlled.
What is the most recent solicitation for NSN 5310000102638?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963