Model: MS16998-11L

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.419 inches and 0.500 inches
Fastener Length
Between 0.469 inches and 0.500 inches
Head Style
Flat chamfer
Head Diameter
Between 0.218 inches and 0.226 inches
Head Height
Between 0.134 inches and 0.138 inches
Locking Feature
Pellet threads or strip threads
Internal Drive Style
Hexagon
Thread Diameter
0.138 inches
Width Across Flats
Between 0.109 inches and 0.111 inches
Thready Qty Per Inch (tpi)
40
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
39.0 rockwell c fastener and 45.0 rockwell c fastener
Material
Plastic polyamide locking feature
Material
Steel fastener
Surface Treatment
Cadmium fastener and chromate fastener
Surface Treatment Specification
Qq-p-416 type 2, cl 2 federal specification single treatment response fastener
Thread Series Designator
Unf
Nondefinitive Specification/std Data
6 type
NSN
5305-01-305-8554
Part Number
MS16998-11L
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 MS16998-11L NSN 5305-01-305-8554

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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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

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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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