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Shear Bolt

NSN: 5306-01-321-2390 | Model: NAS6704-2

A high strength, 160, 000 pounds per square inch (1100 megapascals) tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the shank diameter, but not below the major diameter for applicable class of fit, as shown in the screw thread standards, federal standard h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

NSN Properties and Flags
NATO Stock Number
5306-01-321-2390
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.425 inches
Fastener Length
Between 0.535 inches and 0.565 inches
Head Style
Hexagon
Head Height
Between 0.125 inches and 0.140 inches
Width Between Flats
Between 0.429 inches and 0.439 inches
Grip Diameter
Between 0.2485 inches and 0.2495 inches
Thread Diameter
0.250 inches
Grip Length
Between 0.115 inches and 0.140 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
160000 pounds per square inch
Surface Finish
32.0 microinches threads
Material
Iron alloy 660
Material Specification
Ams5731 assn standard single material response or ams5737 assn standard single material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416 ty2 cl2 federal specification single treatment response
Thread Series Designator
Unjf
Specification Data
80205-nas6704 professional/industrial association standard

Inventory Check

The last inventory check on this NSN was done on 09/28/2022. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 372
  • New: 12532
  • As Removed: 11
  • Serviceable: 13

Pricing and Availability

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NSN 5306-01-321-2390 Datasheet

Supply Class (FSC):
Bolts
Cross Reference:
  • NAS6704-2
Cage Codes:
  • National Aerospace Standards (CAGE 80205)
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

A - Item does not contain precious metal.

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
    100
  • 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 $8.14 to $13.57..
Does NSN 5306-01-321-2390 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, Department Of The Air Force, Department Of The Navy, Lithuania, Poland, Romania, Bulgaria, Spain, Australia, France, Republic Of Korea, Italy, and Greece
What is the NIIN of NSN 5306-01-321-2390?
013212390 or 01-321-2390
Does NSN 5306-01-321-2390 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5306-01-321-2390?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jun 14, 1990