Model: BM19051-3-5

Close Tolerance Screw

Special Features:

Internal drive ribbed

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.313 inches and 0.380 inches
Fastener Length
Between 0.635 inches and 0.682 inches
Head Style
Flat countersunk
Head Diameter
Between 0.350 inches and 0.381 inches
Grip Diameter
Between 0.1885 inches and 0.1895 inches
Shank Unthreaded Hole Diameter
0.070 inches first hole and 0.080 inches first hole
Shank Unthreaded Hole Diameter
0.070 inches and 0.080 inches first hole
Internal Drive Style
High-torque
Thread Diameter
0.190 inches
Grip Length
Between 0.302 inches and 0.322 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 40.0 rockwell c
Hardness Rating
36.0 rockwell c and 40.0 rockwell c
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Distance From Head Largest Bearing Surface To Shank Hole Center
0.462 inches first hole and 0.529 inches first hole
Distance From Head Largest Bearing Surface To Shank Hole Center
0.462 inches and 0.529 inches first hole
Surface Finish
32.0 microinches bearing surface of head
Surface Finish
32.0 microinches threads
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
Material
Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
Material Specification
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response
Material Specification
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2 class 3 federal specification all treatment responses
Thread Series Designator
Unf
NSN
5305-00-090-4080
Part Number
BM19051-3-5
Description
Screw,close Tolerance
CAGE
97928

Part BM19051-3-5 NSN 5305-00-090-4080

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:
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:
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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