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Worldwide distributor of NSN parts and consumables located in the USA.

Turnlock Fastener Stud

Model / MPN: FT5121 | NSN: 5325-01-258-1835
ITAR Registered seal

A pinlike item designed to turn within and be held in place by an eyelet, turnlock fastener; ring, retaining; or the surface of the item it fastens. It is provided with either a cam slot, cam lead threads, or a hold for accommodating a pin. Securing is accomplished by mating with a lockspring, turnlock fastener or receptacle, turnlock fastener. It has either provisions to accommodate a knob or extension or has a head which has provisions to facilitate turning.

Product Details
NATO Stock Number
5325-01-258-1835
Sold in multiples of
1 EA
DEMIL
NO
Grip Length
Between 0.251 inches and 0.261 inches
Securing Device Type
Ring
End Application
W/s: aircraft, harrier av-8b; aircraft, hornet f/a-18; f/a-18e/f hornet aircraft
Minor Diameter
Between 0.373 inches and 0.375 inches
Turnlock Stud Shank Style
Stud shank
Turnlock Stud Head Style
Hexagon
Drive Type
Knurled
Stud Thread Size And Series/type Designator
0.250-28 unf
Width Across Flats
Between 0.484 inches and 0.500 inches
Stud Head Height
0.210 inches
Material
Stainless steel stud
Material
Steel retainer
Material Specification
Ams5528 assn standard single material response retainer
Material Specification
Ams5731 assn standard single material response stud or ams5734 assn standard single material response stud or ams5735 assn standard single material response stud or ams5737 assn standard single material response stud
FT512 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E417T7553 Stud, Turnlock Faste 189 EA 03/13/2017
SPE5E419T132R Stud, Turnlock Faste 128 EA 07/29/2019
SPE4A621T21EN Stud, Turnlock Faste 68 EA 08/09/2021

Pricing and Availability

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FT5121 Cross Reference
  • FIT3063-3
  • 971259-2C
  • DNH1055-1A-8
  • DNH1055-1A-8
  • DNH1055-1A-8
  • 10119331