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Externally Relieved Body Bolt

NSN: 5306-00-057-2781 | Model: 3P23011-101

An externally threaded fastener whose threaded portion is of one diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a diameter less than the pitch diameter of the thread (excludes undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

NSN Properties and Flags
NATO Stock Number
5306-00-057-2781
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.360 inches
Fastener Length
3.105 inches
Head Style
Hexagon
Head Height
0.327 inches
Width Between Flats
0.940 inches
Hole Diameter
0.062 inches
Shank Unthreaded Hole Diameter
0.110 inches first hole
First Diameter From Head
0.623 inches
Second Diameter From Head
0.443 inches
Third Diameter From Head
0.623 inches
Fourth Diameter From Head
0.427 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.745 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
2.020 inches
Distance From Largest Bearing Surface Of Head To End Of Third Diameter
2.640 inches
Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter
2.745 inches
Thread Diameter
0.500 inches
Hole Quantity
1
Hole Type
Drilled
Thready Qty Per Inch (tpi)
20
Hole Configuration Style
Hexagon flats
Distance From Head Largest Bearing Surface To Shank Hole Center
2.919 inches first hole
Externally Relieved Body Diameter Quantity
4
Material
Steel
Surface Treatment
Nickel and cadmium
Thread Series Designator
Unf

Pricing and Availability

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NSN 5306-00-057-2781 Datasheet

Supply Class (FSC):
Bolts
Cross Reference:
  • 3P23011-101
Cage Codes:
  • Lockheed Martin Corporation (CAGE 98897)
Schedule B & Trade:
  • Schedule B: 7318152000 (NAICS 332722)

    Bolts and bolts and their nuts or washers exported in the same shipment

  • SITC: 69421

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

  • End Use: 12110

    Iron and steel products, other

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

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:

    B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    Z
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Sf9sx-v
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $111.74 to $186.23..
Does NSN 5306-00-057-2781 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 Air Force, Department Of The Navy, and Greece
What is the NIIN of NSN 5306-00-057-2781?
000572781 or 00-057-2781
Does NSN 5306-00-057-2781 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5306-00-057-2781?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1961