943-99

Valve Tappet Adjusting Screw

NSN 2810-00-118-7256

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
10 EA
NIIN:
001187256

Detail Specifications

Thread Class:
3a
Thread Direction:
Right-hand
Casehardening Indicator:
Not casehardened
Slot Depth:
0.031 inches
Thread Length:
1.123 inches
Slot Width:
0.047 inches
Overall Length:
1.280 inches
Thread Size:
1/4-28
Metallic Hardness Rating:
26.0 rockwell c and 30.0 rockwell c
End Length:
0.157 inches
Smallest Diameter:
0.047 inches
End Largest Diameter:
0.688 inches
End Spherical Radius:
0.031 inches
Thread Series:
Unf
Material:
Steel
Material:
Steel
Style Designator:
Spherical head, straight thread, slot drive
Fsc Application Data:
Aircraft eng r2800
NSN:
2810-00-118-7256
Item Name:
Head,tappet
Cage Code:
77445

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
94399
Cage Code:
00198
RNCC:
3
RNVC:
2
RNAAC:
SB
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
33266
FIIG:
T267-M
Concept No.:
App. Key:
MA
Cond. Code:
2
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Tappet Head"

An externally threaded screw-like device with a hexagon, square, slotted or any other type drive end. The other end may have a spherical ball, socket or other type of machined surface. It may have a concentric hole along the longitudinal centerline and a hole perpendicular to the axis joining the concentric hole for lubrication. It is specifically designed to be used as a means for adjusting engine poppet valve tappet clearances and may be furnished with a lock nut.

MOE Major Organizational Entities

Entity
DSOR
User:
SPAIN Spain
DSOR:
Import / Export
  • Schedule B: 8409100080
  • SITC: 71319
  • End Use: Engines and turbines for military aircraft
  • NAICS: 336412
  • USDA: 1

Classification: Parts for spark-ignition or compression-ignition internal combustion piston engines for use in aircraft except civil


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