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Technical Data Sheet
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M81511/01EF01A1 — Technical Data Sheet

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— · 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

CONNECTOR BODY,RECEPTACLE,ELECTR. Key specifications include body_style: STRAIGHT SHAPE, EXTERNAL COUPLINGSTRAIGHT SHAPE, EXTERNAL COUPLING, shell_type: SOLIDSOLID, thread_class: 2A2A, overall_width: 1.335 INCHES MINIMUM AND 1.335 INCHES MINIMUM AND 1.351 INCHES MAXIMUM1.351 INCHES MAXIMUM IN, overall_height: 1.335 INCHES MINIMUM AND 1.335 INCHES MINIMUM AND 1.351 INCHES MAXIMUM1.351 INCHES MAXIMUM IN, overall_length: 1.275 INCHES MINIMUM AND 1.275 INCHES MINIMUM AND 1.340 INCHES MAXIMUM1.340 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5935-01-103-1795, 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
M81511/01EF01A1
NSN: 5935-01-103-1795
FSC: 5935
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLINGSTRAIGHT SHAPE, EXTERNAL COUPLING
shell_typeSOLIDSOLID
thread_class2A2A
overall_width1.335 INCHES MINIMUM AND 1.335 INCHES MINIMUM AND 1.351 INCHES MAXIMUM1.351 INCHES MAXIMUM IN
overall_height1.335 INCHES MINIMUM AND 1.335 INCHES MINIMUM AND 1.351 INCHES MAXIMUM1.351 INCHES MAXIMUM IN
overall_length1.275 INCHES MINIMUM AND 1.275 INCHES MINIMUM AND 1.340 INCHES MAXIMUM1.340 INCHES MAXIMUM IN
shell_materialALUMINUM ALLOYALUMINUM ALLOY
thread_directionRIGHT-HANDRIGHT-HAND
mating_end_quantity11
nominal_thread_size1.125 INCHES1.125 INCHES IN
polarization_methodKEYWAY OR MULTIPLE KEYWAYKEYWAY OR MULTIPLE KEYWAY
threaded_device_typeBACK SHELLBACK SHELL
NSN5935-01-103-1795
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR BODY,RECEPTACLE,ELECTR TITLE COMPONENT PN M81511/01EF01A1 MFR CONNECTOR BODY,RECEPTA
KEY FEATURES
•
MATING END QUANTITY: 11
•
BODY STYLE: STRAIGHT SHAPE, EXTERNAL COUPLINGSTRAIGHT SHAPE, EXTERNAL COUPLING
•
ENVIRONMENTAL PROTECTION: MOISTURE PROOF AND MOISTURE PROOF AND SALT WATER RESISTANT AND SALT WATER RESISTANT AND SHOCK PROOF AND SHOCK PROOF AND VIBRATION PROOFVIBRATION PROOF
•
CONTACT POSITION ARRANGEMENT STYLE: 18-85 SINGLE MATING END18-85 SINGLE MATING END
•
SHELL MATERIAL: ALUMINUM ALLOYALUMINUM ALLOY
•
NOMINAL THREAD SIZE: 1.125 INCHES1.125 INCHES IN
TECHNICAL CHARACTERISTICS
MATING END QUANTITY11
BODY STYLESTRAIGHT SHAPE, EXTERNAL COUPLINGSTRAIGHT SHAPE, EXTERNAL COUPLING
ENVIRONMENTAL PROTECTIONMOISTURE PROOF AND MOISTURE PROOF AND SALT WATER RESISTANT AND SALT WATER RESISTANT AND SHOCK PROOF AND SHOCK PROOF AND VIBRATION PROOFVIBRATION PROOF
CONTACT POSITION ARRANGEMENT STYLE18-85 SINGLE MATING END18-85 SINGLE MATING END
SHELL MATERIALALUMINUM ALLOYALUMINUM ALLOY
OVERALL WIDTH1.335 INCHES MINIMUM AND 1.335 INCHES MINIMUM AND 1.351 INCHES MAXIMUM1.351 INCHES MAXIMUM IN
NOMINAL THREAD SIZE1.125 INCHES1.125 INCHES IN
OVERALL LENGTH1.275 INCHES MINIMUM AND 1.275 INCHES MINIMUM AND 1.340 INCHES MAXIMUM1.340 INCHES MAXIMUM IN
OVERALL HEIGHT1.335 INCHES MINIMUM AND 1.335 INCHES MINIMUM AND 1.351 INCHES MAXIMUM1.351 INCHES MAXIMUM IN
DISTANCE FROM MOUNTING SHOULDER TO FRONT FACE0.765 INCHES MINIMUM AND 0.765 INCHES MINIMUM AND 0.775 INCHES MAXIMUM0.775 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
348-40E18-38P2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
GC15M01E18-38P2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M81511/01EF02P2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M81511-01E18-38PInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M81511-01FF02P1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M81511-01E1803XXInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M81511/01EF01A1?
M81511/01EF01A1 is a CONNECTOR BODY,RECEPTACLE,ELECTR.
What parts can replace M81511/01EF01A1?
There are 20 known substitutes for M81511/01EF01A1: 348-40E18-38P2, GC15M01E18-38P2, M81511/01EF02P2 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M81511/01EF01A1?
M81511/01EF01A1 is cataloged in the Federal Logistics Information System under NSN 5935-01-103-1795. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026