Model: 891A-4028

Pre Wire Wound Variable Resistor

Properties:

Section Quantity
1
Body Style
Cylindrical bushing mounted
Reliability Indicator
Not established
Overall Length
3.415 inches
Body Diameter
1.250 inches
Shaft Diameter
Between 0.2487 inches and 0.2497 inches
Shaft Length
2.562 inches
Mounting Bushing Length
0.313 inches
Body Length
Between 0.840 inches and 0.865 inches
Overall Diameter
1.410 inches
Shaft Style
Round
Shaft Bearing Type
Bearing
Actuator Type
Single shaft
Effective Electrical Rotation In Deg Angular Rotation
300.0
Maximum Starting Torque
1.00 inch-ounces
Maximum Running Torque
1.00 inch-ounces
Shaft End Play
0.005 inches
Fragility Factor
Moderately delicate
Screw Thread Diameter
0.375 inches
Screw Thread Series Designator
Unef
Screw Thready Qty Per Inch (tpi)
32.0
Terminal Location
Radially positioned over less than half the circumference
Mounting Method
Standard bushing
Electrical Resistance Per Section
10.0 kilohms single section
Rotary Actuator Travel In Angular Deg
304.0
Function Conformity Tolerance Per Section
-0.30/+0.30 single section
Tempurature Coefficient Of Resistance Per Section In Ppm Per Deg Celsius
-50.0/+50.0 single section
Function Conformity Per Section
Single section absolute linearity
Resistance Tolerance Per Section In Percent
-2.5/+2.5 single section
Actuator Travel Control Feature
Stops
Function Characteristic Per Section
Single section linear
Test Data Document
89536-338368 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Terminal Type And Quantity
3 tab, solder lug
NSN
5905-01-115-4152
Part Number
891A-4028
Description
Resistor,variable,wire Wound,pre
CAGE
89536

A resistor in which a sliding or rolling contact moves over an exposed area of the resistive element to change the ohmic value of the output. The functional tolerance (linearity) of the output is equal to or less than plus or munus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, etc., shall be considered to be precision. For items having manually positioned taps designed to be set and fixed prior to use, see resistor, adjustable, for items with step by step variation, see rheostat and resistor, step by step. For tandem-mounted items designed to function together as an attenuator (and rated accordingly), see attenuator, variable. Excludes resistor (1), variable, nonwire wound, nonprecision; resistor (1), variable, nonwire wound, precision; and resistor (1), variable, wire wound, nonprecision.

Part 891A-4028 NSN 5905-01-115-4152

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37408
FIIG:
A002A0
Concept No.:
1
App. Key:
D
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:
--
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:
062960
UFC:
35140
LTL:
77.5
LCL:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8533390080
  • SITC: 77233
  • End Use: Electric apparatus
  • NAICS: 334416
  • USDA: 1

Freight Class: Wirewound variable resistors, nesoi

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