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Hexagon Plain Nut

SKU: 5310000102637 | Model: M425
NSN 5310-00-010-2637 NSN 5310-00-010-2637

2B thread class, right-hand , hexagon nut style, 0.427" nut height, 0.736" width across flats, unc thread series, 13 thread quantity per inch

Specifications from the Manufacturer

Thread Class:
Thread Direction:
Nut Style:
Nut Height:
0.427 inches minimum and 0.448 inches maximum
Width Across Flats:
0.736 inches minimum and 0.750 inches maximum
Thread Series:
Thread Quantity Per Inch:
Nominal Thread Size:
0.500 inches
Bearing Surface Type:
Chamfered or washer faced
Special Features:
Matl steel sae uns k05802-b
Steel overall
Material Document And Classification:
Astm a563,grade b assn std single material response overall or sae j995,grade 2 assn std single material response overall
Specification/standard Data:
81348-ff-n-836 government specification and 80204-ansi b18.2.2 professional/industrial association standard and 96906-ms35690/canceled/ government standard
Nondefinitive Spec/std Data:
2 type and 4 style and 3 table and 1/2in. size
Departure From Cited Document:
Ff-n-836,paragraph 3.6 uncoated plain fin.

Pricing and Availability

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NSN 5310-00-010-2637 Datasheet

Supply Class:


Cross Reference:

  • M425
  • ANSI B18.2.2 TABLE 3 SIZE 1/2 IN
  • FF-N-836
  • 102637
  • 7337579
  • 7503-18B
  • 14627PCM425
  • 17652PCM425
  • 18317PCM425
  • 20681PCM425
  • 20682PCM425
  • 19400PCM425
  • 1D4719
  • X8761APCM425
  • X8841APCM425
  • X8841PCM425
  • Z
  • 804720
  • 31X30
  • 33845S
  • 9158

Cage Codes:

  • Twin Disc Incorporated (CAGE 61208)
  • American National Standards (CAGE 80204)
  • Federal Specifications (CAGE 81348)
  • General Motors Llc (CAGE 7X677)
  • U S Army Tank Automotive Command (CAGE 19207)
  • Saginaw Products Corporation (CAGE 52793)
  • Ortman Fluid Power (CAGE 91940)
  • Terex American Crane Corp (CAGE 49185)
  • Pressed Metals Of America Inc (CAGE 83120)
  • Ford Motor Co (CAGE 23040)
  • Compair Kellogg (CAGE 53239)

Replaced or Cancelled:

5310-00-010-2637 is not a replacement of any national stock number and has not been cancelled or replaced itself.


NIIN: 000102637
NSN: 5310000102637
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 5310-00-010-2637]

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 5310-00-010-2637 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 5310-00-010-2637 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 5310-00-010-2637?
000102637 or 00-010-2637
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 5310000102637 ITAR controlled?
No. This item is not ITAR Controlled.
What is the most recent solicitation for NSN 5310000102637?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963