Model: 3176207-C-137

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.387 inches and 0.500 inches
Fastener Length
Between 0.470 inches and 0.500 inches
Head Style
Flat chamfer
Head Diameter
Between 0.457 inches and 0.469 inches
Head Height
Between 0.306 inches and 0.312 inches
Locking Feature
Patch threads
Internal Drive Style
Hexagon
Thread Diameter
0.312 inches
Width Across Flats
0.250 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
170000 pounds per square inch
Hardness Rating
38.0 rockwell c fastener and 45.0 rockwell c fastener
Minimum Yield Strength
150000 pounds per square inch
Material
Plastic locking feature
Material
Steel fastener
Surface Treatment
Zinc fastener and chromate fastener
Surface Treatment Specification
Astm b633 assn standard single treatment response fastener
Thread Series Designator
Unf
NSN
5305-01-273-6244
Part Number
3176207-C-137
Description
Screw,cap,socket Head
CAGE
10001

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 3176207-C-137 NSN 5305-01-273-6244

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:
0.1000lbs
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:
156600
UFC:
77670
LTL:
RATING VARIABLE
LCL:
--
WCC:
772
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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