NAS428 — crowned hex head, adjusting

Bolt, Hexagon Head, Crowned, Adjusting: thread, grip, length and commonly stocked part numbers. Head and shank dimensions come from the standard itself.

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NAS428 at a glance

Where to buy
NAS428, bolt, hexagon head, crowned, adjusting
NAS428
NAS428 engineering drawing with dimensions
Engineering drawing · dimensions in inches

Specification

ItemValue
TypeAdjusting bolt
StatusCheck the current issue before design use.

Dimensions by size

Dimension, in.1900-32.2500-28
Thread.1900-32.2500-28

Thread as stated for the standard. Head and shank dimensions are not shown here: take them from the standard.

Part numbers

Part numbers commonly stocked, with length.

.1900-3210 part numbers

Part no.Length, in
NAS4283A4.500
NAS4283A5.625
NAS4283A6.750
NAS4283A7.875
NAS4283A101.000
NAS4283A111.125
NAS4283A121.250
NAS4283A131.375
NAS4283A141.500
NAS4283A161.750

.2500-2810 part numbers

Part no.Length, in
NAS4284A4.500
NAS4284A5.625
NAS4284A6.750
NAS4284A7.875
NAS4284A101.000
NAS4284A111.125
NAS4284A121.250
NAS4284A131.375
NAS4284A141.500
NAS4284A161.750

Part number

What each code means

PartMeaning
KSuffix: Slotted shank
KHSuffix: Slotted shank and drilled head
ExampleNAS4283A4 — Crowned hex head adjusting bolt, .1900-32 thread, length .500

Notes from the standard

  • K: slotted shank. KH: slotted shank and drilled head.
  • Part number format as commonly written; check the standard for the exact format.
  • Approved data governs. Use the bolt the SRM, drawing or IPC calls for.

Where to buy

AmericaDistributor coming soonOur partner for this region is on its way
EuropeDistributor coming soonOur partner for this region is on its way
OceaniaDistributor coming soonOur partner for this region is on its way

Distributors coming soon.

Sources

  • NAS428 — Bolt, Hexagon Head, Crowned, Adjusting — nominal sizes and part numbers.
Educational reference only. not approved data. Always consult the applicable SRM, AMM, or AC 43.13-1B and your certifying authority.
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