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Rotary Well Drilling Bit

NSN: 3820-00-431-9864 | Model: 29-238

A detachable, end cutting, drilling tool with one end threaded for attaching to a well drilling tool adapter or drilling pipe. The opposite end is designed to penetrate the earth when used in a rotary type well drilling machine.

NSN Properties and Flags
NATO Stock Number
3820-00-431-9864
DEMIL
NO
Roller Quantity
3
Drill Capacity Hole Diameter
7.875 inches
Core Drilling Feature
Not included
Cutting Edge Type
Roller
Roller Tooth Type
Intermediate
Pilot Spike
Not included
Pilot Cutter
Included
Joint Thread Direction
Right-hand
Joint Thread Location
External
Joint Thread Series
Nonstandard
Joint Thread Series Modification
Modified by 3.625 in. Taper
Joint Step Thread Feature
Not included
Joint Thread Diameter
4.675 inches
Joint Thread Length
3.665 inches

Pricing and Availability

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NSN 3820-00-431-9864 Datasheet

Supply Class (FSC):
Related Equipment Earth Boring Rock Drilling Mining
Cross Reference:
  • 29-238
Cage Codes:
  • Porta Drill Inc (CAGE 66155)
Schedule B & Trade:
  • Schedule B: 8430498050 (NAICS 333131)

    Boring or sinking machinery, nesoi

  • SITC: 72344

    Boring and sinking machinery, n.E.S., not self-propelled

  • End Use: 21030

    Excavating machinery

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:

    183850 - Tools: bits star drill in bbls/bxs

  • WCC:

    732 - Tools, hand and portable, electric

  • 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.

  • LTL:

    Q - 70.0

  • ACC:

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

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    J
  • Quantity per pack
    * special requirements.
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    9b-----
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $5,333.24 to $8,888.74..
Does NSN 3820-00-431-9864 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 Navy
What is the NIIN of NSN 3820-00-431-9864?
004319864 or 00-431-9864
Does NSN 3820-00-431-9864 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 3820-00-431-9864?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
May 14, 1974