Model: MS16998-43

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.648 inches and 0.750 inches
Fastener Length
Between 0.719 inches and 0.750 inches
Head Style
Flat chamfer
Head Diameter
Between 0.365 inches and 0.375 inches
Head Height
Between 0.244 inches and 0.250 inches
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
Between 0.187 inches and 0.190 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
38.0 rockwell c and 45.0 rockwell c
Minimum Yield Strength
150000 pounds per square inch
Material
Steel
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416 type 2 cl 3 federal specification single treatment response
Thread Series Designator
Unf
Nondefinitive Specification/std Data
6 type
NSN
5305-00-983-6660
Part Number
MS16998-43
Description
Screw,cap,socket Head
CAGE
96906

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part MS16998-43 NSN 5305-00-983-6660

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
Concept No.:
App. Key:
SC
Cond. Code:
1
Status:
A

Material Classification

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.4000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

End Items End applications NSN 5305-00-983-6660 is a component of

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  • Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
  • B-1b Aircraft Trainer
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  • F100-pw-100 (f-15a/b/c/d) Aircraft Engine
  • An/uyq-21(v) Computer Display Set
  • Mh-53e Helicopter
  • 010703859
  • Surveillance Radar
  • 002237548
  • Radio Set
  • 011483977
  • Radio Terminal Set
  • 010039869
  • Aircraft Hydraulic System Components Fixture
  • 013080872
  • Servocylinder
  • 013199032
  • Trailer Mounted Diesel Engine Generator Set
  • 013056917
  • Hydraulic System Components Test Stand
  • 012755061
  • Diesel Engine Generator Set
  • 013080871
  • Servocylinder
  • 010345000
  • Hydraulic Axial Piston Pump Subassembly
  • 014186654
  • Full Tracked Personnel Carrier
  • 010638251
  • Turbine Assembly
  • 012291277
  • Radar Set
  • 013080867
  • Servocylinder
  • 013080869
  • Servocylinder
  • 012543537
  • Leveling-support Jack
  • 013683237
  • Aircraft Maintenance Fixture
  • 000062765
  • Aerial Camera Lens Cone
  • 013080870
  • Servocylinder
  • 004504819
  • Hydraulic Motor-pump
  • 013080868
  • Servocylinder
  • 000077955
  • Compressor
  • 000632862
  • Aircraft Mooring Tie Down
  • 011483976
  • Radio Terminal Set
  • 011453870
  • Radar Set Subassembly
  • 011519927
  • Remote Ground Termi
  • 007181254
  • Axial Pistons Pump Unit
  • 011680334
  • Aircraft Cooling Turbine
  • 005430012
  • Telephone Set
  • 010845293
  • Antenna-transceiver
  • 010365479
  • Alternating Current Motor
  • 001745811
  • Axial Pistons Pump Unit
  • 014766466
  • Vaneaxial Fan
  • 010055388
  • Control Test Set
  • 010061788
  • Aircraft Maintenance Fixture Set
  • 004396242
  • Full Tracked Recovery Vehicle
  • 011607245
  • Aircraft Cooling Turbine
  • 010375364
  • Vaneaxial Fan
  • 005725583
  • Radar Set Control
  • 011350360
  • Aircraft Ejection Seat
  • 010883669
  • Cargo-transport Helicopter
  • 010375363
  • Vaneaxial Fan
  • 000331389
  • Trailer Mounted Diesel Engine Generator Set
  • 013469317
  • Utility Truck
  • 001596180
  • Symbol Si Generator
  • 011334195
  • Radio Set
  • 010883669
  • Cargo-transport Helicopter
  • 011014704
  • Air Conditioner
  • 011603076
  • Electronic Equipment Pressurizing Set
  • 011210604
  • Bench Test Set
  • 010851604
  • Acquisition Antenna-receiver-transmitter Group
  • 012246595
  • Servocylinder
  • 012246588
  • Hydraulic Servocylinder Assembly
  • 010046550
  • Aerial Stores Lift Truck
  • 013852716
  • Tubular Fairlead
  • 011493208
  • Azimuth-elevation Indicator
  • 011062283
  • Circulating Fan
  • 010217084
  • Ta Optical Assembly
  • 007990148
  • Gas Turbine Engine Power Unit
  • 011035641
  • Air-antitank Defense Missile System Carrier
  • 010078060
  • Aircraft Hydraulic System Components Fixture
  • 010081513
  • Aircraft Hydraulic System Components Fixture
  • 010423317
  • Antenna System Test Set
  • 004651030
  • Diesel Engine Generator Set
  • 013851977
  • Ammunition Transfer Unit
  • 013866836
  • Electrical Equipment Mounting Base
  • 009294308
  • Aircraft Mounted Winch
  • 008689363
  • Radar Set Subassembly
  • 014606545
  • Ammunition Transfer Unit
  • 011035641
  • Air-antitank Defense Missile System Carrier
  • 011035641
  • Air-antitank Defense Missile System Carrier
  • 014831859
  • Reciprocating Compressor
  • 011367598
  • Aircraft Ejection Seat
  • 001195587
  • Hydraulic System Components Test Stand
  • 008521425
  • Ammunition Maintenance Fixture
  • 012531336
  • Roller Bearing Unit
  • 013652196
  • Antenna Element
  • 010775723
  • Radar Receiving Set

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Phone: +1 470-231-0824
Email: Contact Form »
Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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