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Technical Data Sheet
PartsTable / COMPONENT / 81MJM1
81MJM1 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include radius: 0.063 INCHES NOMINAL IN, material: STEEL COMP 1019, body_style: RADII ENDS, bore_style: INSIDE CHAMFER STRAIGHT-THRU BORE, body_length: 2.6760 INCHES MINIMUM AND 2.6910 INCHES MAXIMUM IN, bore_diameter: 0.6250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-274-3428, 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
81MJM1
NSN: 2805-00-274-3428
FSC: 2805
CAGE: 05415 — LINDE LIFT TRUCK CORP. (USA)
SPECIFICATIONS
radius0.063 INCHES NOMINAL IN
materialSTEEL COMP 1019
body_styleRADII ENDS
bore_styleINSIDE CHAMFER STRAIGHT-THRU BORE
body_length2.6760 INCHES MINIMUM AND 2.6910 INCHES MAXIMUM IN
bore_diameter0.6250 INCHES NOMINAL IN
outside_diameter0.85910 INCHES MINIMUM AND 0.85930 INCHES MAXIMUM IN
fsc_application_dataENGINE,GASOLINE,NONAIRCRAFT
casehardening_indicatorCASEHARDENED
countersink_angle_in_deg45.0
metallic_hardness_rating59.0 MINIMUM ROCKWELL C AND 64.0 MAXIMUM ROCKWELL C
material_document_and_classificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1019 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1019 ASSN STD SINGLE MATERIAL RESPONSE
NSN2805-00-274-3428
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN 81MJM1 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
•
MATERIAL: STEEL COMP 1019
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1019 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1019 ASSN STD SINGLE MATERIAL RESPONSE
•
FSC APPLICATION DATA: ENGINE,GASOLINE,NONAIRCRAFT
•
RADIUS: 0.063 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: CASEHARDENED
•
BORE DIAMETER: 0.6250 INCHES NOMINAL IN
•
BODY LENGTH: 2.6760 INCHES MINIMUM AND 2.6910 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.85910 INCHES MINIMUM AND 0.85930 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 1019
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1019 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1019 ASSN STD SINGLE MATERIAL RESPONSE
FSC APPLICATION DATAENGINE,GASOLINE,NONAIRCRAFT
RADIUS0.063 INCHES NOMINAL IN
CASEHARDENING INDICATORCASEHARDENED
BORE DIAMETER0.6250 INCHES NOMINAL IN
BODY LENGTH2.6760 INCHES MINIMUM AND 2.6910 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.85910 INCHES MINIMUM AND 0.85930 INCHES MAXIMUM IN
BORE STYLEINSIDE CHAMFER STRAIGHT-THRU BORE
METALLIC HARDNESS RATING59.0 MINIMUM ROCKWELL C AND 64.0 MAXIMUM ROCKWELL C
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
MIL-F-16377/45Interchangeable
interchangeable cross-reference
interchangeable
P340HInterchangeable
interchangeable cross-reference
interchangeable
MS16572-1Interchangeable
interchangeable cross-reference
interchangeable
P1328Interchangeable
interchangeable cross-reference
interchangeable
851066Interchangeable
interchangeable cross-reference
interchangeable
P881Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81MJM1?
81MJM1 is a RELAY,ELECTROMAGNETIC.
What parts can replace 81MJM1?
There are 13 known substitutes for 81MJM1: MIL-F-16377/45, P340H, MS16572-1 and 10 more. Substitute compatibility should be verified for your specific system.
Is 81MJM1 still available?
81MJM1 is currently cancelled.
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Last verified: July 2026