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PartsTable / COMPONENT / 18-61903-1
18-61903-1 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The PLATE,IDENTIFICATION is a the manufacturer industrial component. Key specifications include width: 2.580 INCHES NOMINAL IN, length: 5.700 INCHES NOMINAL IN, material: PLASTIC, thickness: 0.220 INCHES NOMINAL IN, inscription: SST-181 DOUBLE OFF SINGLE COMPASS DIRECT GYRO MAG FAST SLAVE COMM ANT UPPER LOWER LOWER FIRST SIDE, attachment_method: HOLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 9905-01-041-1196, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
18-61903-1
NSN: 9905-01-041-1196
FSC: 9905
CAGE: 76823 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
width2.580 INCHES NOMINAL IN
length5.700 INCHES NOMINAL IN
materialPLASTIC
thickness0.220 INCHES NOMINAL IN
inscriptionSST-181 DOUBLE OFF SINGLE COMPASS DIRECT GYRO MAG FAST SLAVE COMM ANT UPPER LOWER LOWER FIRST SIDE
attachment_methodHOLE
basic_shape_styleRECTANGULAR
marking_designationLEGEND FIRST SIDE
NSN9905-01-041-1196
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLATE,IDENTIFICATION TITLE COMPONENT PN 18-61903-1 MFR PLATE,IDENTIFICATION
KEY FEATURES
•
ATTACHMENT METHOD: HOLE
•
MARKING DESIGNATION: LEGEND FIRST SIDE
•
THICKNESS: 0.220 INCHES NOMINAL IN
•
INSCRIPTION: SST-181 DOUBLE OFF SINGLE COMPASS DIRECT GYRO MAG FAST SLAVE COMM ANT UPPER LOWER LOWER FIRST SIDE
•
MATERIAL: PLASTIC
•
WIDTH: 2.580 INCHES NOMINAL IN
•
LENGTH: 5.700 INCHES NOMINAL IN
•
BASIC SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
ATTACHMENT METHODHOLE
MARKING DESIGNATIONLEGEND FIRST SIDE
THICKNESS0.220 INCHES NOMINAL IN
INSCRIPTIONSST-181 DOUBLE OFF SINGLE COMPASS DIRECT GYRO MAG FAST SLAVE COMM ANT UPPER LOWER LOWER FIRST SIDE
MATERIALPLASTIC
WIDTH2.580 INCHES NOMINAL IN
LENGTH5.700 INCHES NOMINAL IN
BASIC SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
421989-1Interchangeable
interchangeable cross-reference
interchangeable
6210PL1364836Interchangeable
interchangeable cross-reference
interchangeable
5905PL0942238Interchangeable
interchangeable cross-reference
interchangeable
891131Interchangeable
interchangeable cross-reference
interchangeable
RV4LAYSA105BInterchangeable
interchangeable cross-reference
interchangeable
90013-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18-61903-1?
18-61903-1 is a PLATE,IDENTIFICATION.
What parts can replace 18-61903-1?
There are 8 known substitutes for 18-61903-1: 421989-1, 6210PL1364836, 5905PL0942238 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18-61903-1?
18-61903-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 9905-01-041-1196. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026