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Hexagon Self-locking Nut

NSN: 5310-01-657-0456 | Model: NASM21045-5S

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

NSN Properties and Flags
NATO Stock Number
5310-01-657-0456
DEMIL
NO
Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Lubrication
Soluble lubricant
Nut Style
Hexagon
Nut Height
Between 0.271 inches and 0.360 inches
Inside Width Across Flats
0.336 inches
End Application
2815-01-414-6821
Width Across Flats
Between 0.492 inches and 0.502 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
24
Thread Size
0.3125 inches
Bearing Surface Type
Chamfered or washer faced
Part Name Assigned By Controlling Agency
Nut, self-locking hexagon regular height
Special Features
Segmented beam lock
Material
Steel comp 1010 or steel comp 1015 or steel comp 1018 or steel comp 1021 or steel comp 1022 or steel comp 1030 or steel comp 1035 or steel comp 1045 or steel comp 1110 or steel comp 1117 or steel comp 1118 or steel comp 1137 or steel comp 1213 or steel comp 8740
Surface Treatment
Cadmium

Parts List for Diesel Engine  

Other components in the assembly of NSN 2815-01-414-6821

Inventory Check

The last inventory check on this NSN was done on 04/06/2021. Due to rapid changes in inventory this may not be the current stock qty.

  • New: 21012
  • New Surplus: 427

Pricing and Availability

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.

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NSN 5310-01-657-0456 Datasheet

Supply Class (FSC):
Nuts And Washers
Cross Reference:
  • NASM21045-5S
  • MS21045-5S
Cage Codes:
  • Military Standards (CAGE 96906)
Freight Information:
  • NMFC:

    093486 - Bolts, nuts or screws, noi (sub 3)

  • WCC:

    573 - Bolts or nuts (iron or steel),(less than 35 feet)

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    J
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    T2200x-
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $1.42 to $2.36..
Does NSN 5310-01-657-0456 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army
What is the NIIN of NSN 5310-01-657-0456?
016570456 or 01-657-0456
Does NSN 5310-01-657-0456 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-01-657-0456?
No solicitations for this NSN.