Model: BM172-17

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.568 inches and 0.660 inches
Fastener Length
Between 0.640 inches and 0.660 inches
Head Style
Knurled no. 1
Head Diameter
Between 0.304 inches and 0.312 inches
Head Height
Between 0.185 inches and 0.190 inches
Hole Diameter
Between 0.043 inches and 0.049 inches
Internal Drive Style
Hexagon
Thread Diameter
0.190 inches
Width Across Flats
0.156 inches
Hole Quantity
2
Hole Type
Drilled
Thready Qty Per Inch (tpi)
32
Hole Configuration Style
Round internal hexagon
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel
Surface Treatment
Cadmium
Thread Series Designator
Unf
NSN
5305-01-065-9056
Part Number
BM172-17
Description
Screw,cap,socket Head
CAGE

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 BM172-17 NSN 5305-01-065-9056

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:
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:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
096640
UFC:
50600
LTL:
70.0
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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