1-321-802-5889

NSN 5320-00-288-3174

Lockbolt

About this product

Between 0.807 inches and 0.827 inches fastener length, between 0.045 inches and 0.055 inches head height, between 0.079 inches and 0.081 inches width between flats, shank diameter: between 0.2016 inches and 0.2026 inches .

Manufacturer part number 3M278A3-7 for national stock number 5320002883174.

Datasheet

  • Product description

    Pin-rivet NSN 5320-00-288-3174.

  • MPN or Model

    3M278A3-7

  • Schedule B
    7318.23.0000 (Rivets of iron or steel)
  • NMF (National Motor Freight)
    095190 - Hardware, NOI Sub 9
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Fastener Length
    Between 0.807 inches and 0.827 inches
  • Head Height
    Between 0.045 inches and 0.055 inches
  • Width Between Flats
    Between 0.079 inches and 0.081 inches
  • Shank Diameter
    Between 0.2016 inches and 0.2026 inches
  • Shank Style
    Pin-rivet, straight, threaded
  • Head Major Diameter
    Between 0.295 inches and 0.315 inches
  • Lubrication
    Cetyl alcohol
  • Grip Length
    0.462 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Thread Size
    0.190 inches
  • Shear Strength
    95000 single pounds per square inch
  • Material
    Steel comp e4340 or steel comp 4340 or steel comp 4140 or steel comp 8740
  • Material Specification
    Mil-s-5000 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-5626 military specification 3rd material response or mil-s-6049 military specification 4th material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416, type 2, cl 3 federal specification single treatment response
  • Thread Series Designator
    Unjf
Pin-rivet

A metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. a locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. the shank may include an external wrenching facility which breaks off at a predetermined applied torque.

Mechanic Bill explains Lockbolt

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NSN 5320002883174

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3M278A3-7 Sps Technologies, Llc
3M278A3-7 Huck International, Inc.
3M278A3-7 Hi-shear Corporation
3M278A3-7 West Coast Aerospace Inc
3M278A3-7 Sps Technologies, Llc
3M278A3-7 Alcoa Global Fasteners, Inc.
3M278A3-7 Lisi Aerospace Canada Corp
HL556-6-7 Huck International, Inc.
HL556-6-7 Huck Intl Inc
HL556-6-7 Sps Technologies, Llc
HL556-6-7 Sps Technologies, Llc
HL556-6-7 Sps Technologies, Llc
HL556-6-7 Alcoa Global Fasteners, Inc.
HL556-6-7 Hi-shear Corporation
3M278A3-7 Boeing Company, The
3M278 Boeing Company, The
Stock Check
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