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NSN 5320-00-972-3291

Lockbolt

About this product

Between 1.510 inches and 1.520 inches fastener length, flush countersunk head style, between 0.059 inches and 0.061 inches head height, width between flats: between 0.095 inches and 0.097 inches .

Manufacturer part number HL31-8-18 for national stock number 5320009723291.

Datasheet

  • Product description

    Pin-rivet NSN 5320-00-972-3291.

  • MPN or Model

    HL31-8-18

  • Schedule B
    7318.23.0000 (Rivets of iron or steel)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Fastener Length
    Between 1.510 inches and 1.520 inches
  • Head Style
    Flush countersunk
  • Head Height
    Between 0.059 inches and 0.061 inches
  • Width Between Flats
    Between 0.095 inches and 0.097 inches
  • Shank Diameter
    Between 0.249 inches and 0.250 inches
  • Shank Style
    Pin-rivet, straight, threaded
  • Head Major Diameter
    Between 0.390 inches and 0.395 inches
  • Grip Length
    Between 1.120 inches and 1.130 inches
  • Thready Qty Per Inch (tpi)
    28
  • Thread Size
    0.250 inches
  • Shear Strength
    125000 double pounds per square inch
  • Countersink Angle
    100.0 degrees
  • Material
    Steel comp 431
  • Material Specification
    Ams 5628 assn standard 1st material response or mil-s-18732 military specification 2nd material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    258, fscm 73197 mfr ref single treatment response
  • Thread Series Designator
    Unjf
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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 5320009723291

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HL31-8-18 Hi-shear Corporation
HL31-8-18 Lisi Aerospace Canada Corp
HL31-8-18 Sps Technologies, Llc
HL31-8-18 Alcoa Global Fasteners, Inc.
HL31-8-18 Huck International, Inc.
HL31-8-18 Huck Intl Inc
Stock Check
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