Model: BACB30NN3K6

Close Tolerance Screw

Special Features:

Black dye or paint onthread end

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.320 inches and 0.370 inches
Fastener Length
Between 0.705 inches and 0.735 inches
Head Style
Flat countersunk
Head Diameter
Between 0.345 inches and 0.383 inches
Grip Diameter
Between 0.1885 inches and 0.1895 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.190 inches
Grip Length
Between 0.365 inches and 0.385 inches
Thready Qty Per Inch (tpi)
32
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Surface Finish
32.0 microinches grip
Surface Finish
32.0 microinches threads
Surface Finish
63.0 microinches bearing surface of head
Material
Titanium alloy
Material Specification
Ams 4967 assn standard single material response or ams 4928 assn standard single material response
Surface Treatment
Aluminum
Surface Treatment Specification
Bms 10-85, ty1, cl160tt3h mfr ref single treatment response
Thread Series Designator
Unjf
NSN
5305-01-212-4553
Part Number
BACB30NN3K6
Description
Screw,close Tolerance
CAGE
81205

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Part BACB30NN3K6 NSN 5305-01-212-4553

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29294
FIIG:
A003B0
Concept No.:
App. Key:
SS
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:
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:
136500
UFC:
68455
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8109900000
  • SITC: 69987
  • End Use: Finished metal shapes
  • NAICS: 331491
  • USDA: 1

Freight Class: Zirconium and articles thereof nesoi

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