Model: B831-9511-61

Worm Shaft

Special Features:

Material specification astm-a564, type-630, condition-h1150, hot finished and astm-a484. Surface finish 63.0 on acme threads. Worm is 0.750-8 acme-2g

Properties:

Thread Length
1.000 inches first end, second portion
Overall Length
12.120 inches
End Application
Bridge, track assembly for cargo bay 3rd platform for seawolf class submarine ssn 23
Screw Thread Series Designator
Uns first end, second portion
Shaft Thread Direction
Right-hand first end, second portion
Teeth Hardness Rating
38.0 rockwell c
Section Shape
Square first end, first portion
Worm Thread Quantity
58
Worm Thread Lead
0.125 inches
Worm Thread Direction
Right-hand
Worm Pressure Angle In Deg
14.500
Worm Helix Angle
3.312 degrees
Worm Outside Diameter
0.750 inches
Worm Pitch Diameter
Between 0.665 inches and 0.681 inches
Shaft Hardness Rating
38.0 rockwell c
Worm Thread Section Length
7.240 inches
Worm Body Length
12.120 inches
Worm Body Tapered Bearing Surface End
Provided
Tapered Bearing Surface Length
0.050 inches
Shaft Location
One end of worm
Straight Unthreaded Length
0.120 inches first end, third portion
Straight Unthreaded Length
0.630 inches first end, fifth portion
Straight Unthreaded Length
0.750 inches first end, sixth portion
Straight Unthreaded Length
0.880 inches first end, fourth portion
Straight Unthreaded Length
1.000 inches first end, second portion
Straight Unthreaded Length
1.500 inches first end, first portion
Straight Unthreaded Section Diameter
1.500 inches first end, fifth portion
Straight Unthreaded Section Diameter
0.540 inches first end, sixth portion
Straight Unthreaded Section Diameter
0.988 inches first end, first portion and 0.998 inches first end, first portion
Straight Unthreaded Section Diameter
1.060 inches first end, third portion
Straight Unthreaded Section Diameter
1.173 inches first end, second portion
Straight Unthreaded Section Diameter
1.2503 inches first end, fourth portion and 1.2513 inches first end, fourth portion
Material
Steel, corrosion resisting
Material
Stainless steel
NSN
3040-01-504-8342
Part Number
B831-9511-61
Description
Worm Shaft
CAGE
96169

A drive shaft having helical thread(s) on a portion of its outer surface, machined bearing surface(s) and facilities for driving (other than a hub) on one or both ends of shaft. Designed to mate with a cam, gear sector, worm wheel, etc. Includes items with bearings. Excludes items having more than one worm complement of helical threads, items with a separate complement of gear teeth, and gear, worm.

Part B831-9511-61 NSN 3040-01-504-8342

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
18249
FIIG:
T246-C
Concept No.:
App. Key:
CA
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:
A
ESD:
A
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
214.0 X 0.0 X 0.0
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:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
129920
UFC:
65750
LTL:
85.0
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8483105000
  • SITC: 74810
  • End Use: Industrial machines, other
  • NAICS: 333613
  • USDA: 1

Freight Class: Transmission shafts and cranks, except camshafts and crankshafts

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