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Shear Bolt

NSN: 5306-01-261-1872 | Model: NAS629-66

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
5306-01-261-1872
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.826 inches
Fastener Length
Between 4.936 inches and 4.966 inches
Head Style
Double hexagon w/hole
Head Height
Between 0.547 inches and 0.567 inches
Width Between Flats
Between 0.619 inches and 0.628 inches
Extended Washer Diameter
Between 0.928 inches and 0.938 inches
Extended Washer Thickness
Between 0.123 inches and 0.143 inches
Grip Diameter
Between 0.5605 inches and 0.5615 inches
Thread Diameter
0.5625 inches
Grip Length
Between 4.115 inches and 4.135 inches
Thready Qty Per Inch (tpi)
18
Min. Tensile Strength (psi)
180000 pounds per square inch
Hardness Rating
39.0 rockwell c and 43.0 rockwell c
Material
Steel
Surface Treatment
Cadmium
Surface Treatment Specification
Nas672 assn standard single treatment response
Thread Series Designator
Unjf
Specification Data
80205-nas629 professional/industrial association standard

Pricing and Availability

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NSN 5306-01-261-1872 Datasheet

Supply Class (FSC):
Bolts
Cross Reference:
  • NAS629-66
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

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.

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 5306-01-261-1872 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Canada
What is the NIIN of NSN 5306-01-261-1872?
012611872 or 01-261-1872
Does NSN 5306-01-261-1872 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5306-01-261-1872?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Aug 10, 1987