Model: MS16998-60

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 1.127 inches and 1.250 inches
Fastener Length
Between 1.210 inches and 1.250 inches
Head Style
Flat chamfer
Head Diameter
Between 0.457 inches and 0.468 inches
Head Height
Between 0.306 inches and 0.312 inches
Internal Drive Style
Hexagon
Thread Diameter
0.312 inches
Width Across Flats
Between 0.250 inches and 0.253 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 45.0 rockwell c
Minimum Yield Strength
130000 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
5305-00-983-6672
Part Number
MS16998-60
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 MS16998-60 NSN 5305-00-983-6672

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:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
3.0000lbs
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 5305-00-983-6672 is a component of

  • Mk 48 Torpedo
  • B-1 Aircraft Support Equipment
  • Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
  • Harpoon (agm-84) All-weather Anti-ship Missile
  • Ah-1w Advance Attack Helicopter
  • Low Altitute Navigation & Targeting Infrared System(lantirn)
  • Milstar System
  • Nimitz Class Cvn
  • Kidd Class Ddg
  • 000846111
  • Aircraft Guided Missile Launcher
  • 012291277
  • Radar Set
  • 014253327
  • Ground Hand Adapter
  • 010828404
  • Voice Terminal
  • 010055388
  • Control Test Set
  • 010039869
  • Aircraft Hydraulic System Components Fixture
  • 001338485
  • 106 Millimeter Recoilless Rifle
  • 011035641
  • Air-antitank Defense Missile System Carrier
  • 001338484
  • 106 Millimeter Recoilless Rifle
  • 010815827
  • Antenna Pedestal Subassembly
  • 013419103
  • Digital Topographic Support System
  • 011712555
  • Structure Assembly
  • 013016277
  • Electronic Equipment Shipping And Storage Container

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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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