PartsTable
Technical Data Sheet

M81511/21FE04A3 — CONNECTOR BODY,RECEPTACLE,ELECTR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

M81511/21FE04A3: CONNECTOR BODY,RECEPTACLE,ELECTR.

CONNECTOR BODY,RECEPTACLE,ELECTR. Key specifications include body_style: STRAIGHT SHAPE, EXTERNAL COUPLINGSTRAIGHT SHAPE, EXTERNAL COUPLING, shell_type: SOLIDSOLID, thread_class: 2A2A, overall_width: 1.242 INCHES MINIMUM AND 1.242 INCHES MINIMUM AND 1.258 INCHES MAXIMUM1.258 INCHES MAXIMUM IN, overall_height: 1.242 INCHES MINIMUM AND 1.242 INCHES MINIMUM AND 1.258 INCHES MAXIMUM1.258 INCHES MAXIMUM IN, overall_length: 1.406 INCHES MINIMUM AND 1.406 INCHES MINIMUM AND 1.471 INCHES MAXIMUM1.471 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5935-01-107-5217, 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
M81511/21FE04A3
NSN: 5935-01-107-5217
FSC: 5935 — Connectors, Electrical
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_width1.242 INCHES MINIMUM AND 1.242 INCHES MINIMUM AND 1.258 INCHES MAXIMUM1.258 INCHES MAXIMUM IN
overall_height1.242 INCHES MINIMUM AND 1.242 INCHES MINIMUM AND 1.258 INCHES MAXIMUM1.258 INCHES MAXIMUM IN
overall_length1.406 INCHES MINIMUM AND 1.406 INCHES MINIMUM AND 1.471 INCHES MAXIMUM1.471 INCHES MAXIMUM IN
shell_materialALUMINUM ALLOY 6061ALUMINUM ALLOY 6061
thread_directionRIGHT-HANDRIGHT-HAND
precious_materialGOLDGOLD
mating_end_quantity11
nominal_thread_size1.000 INCHES1.000 INCHES IN
polarization_methodKEYWAY OR MULTIPLE KEYWAYKEYWAY OR MULTIPLE KEYWAY
NSN5935-01-107-5217
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR BODY,RECEPTACLE,ELECTR TITLE COMPONENT PN M81511/21FE04A3 MFR CONNECTOR BODY,RECEPTA
KEY FEATURES
•
CONNECTOR LOCKING METHOD: SPRING FRICTIONSPRING FRICTION
•
SHELL TYPE: SOLIDSOLID
•
BODY STYLE: STRAIGHT SHAPE, EXTERNAL COUPLINGSTRAIGHT SHAPE, EXTERNAL COUPLING
•
MATING END QUANTITY: 11
•
PRECIOUS MATERIAL: GOLDGOLD
•
CONTACT POSITION ARRANGEMENT STYLE: 16-07 SINGLE MATING END16-07 SINGLE MATING END
•
INSERT POSITION IN DEG: 311.0 AND 311.0 AND 199.0 AND 199.0 AND 160.0 AND 160.0 AND 116.0116.0
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.242 INCHES MINIMUM AND 1.242 INCHES MINIMUM AND 1.258 INCHES MAXIMUM1.258 INCHES MAXIMUM IN
CONNECTOR LOCKING METHODSPRING FRICTIONSPRING FRICTION
SHELL TYPESOLIDSOLID
BODY STYLESTRAIGHT SHAPE, EXTERNAL COUPLINGSTRAIGHT SHAPE, EXTERNAL COUPLING
MATING END QUANTITY11
PRECIOUS MATERIALGOLDGOLD
CONTACT POSITION ARRANGEMENT STYLE16-07 SINGLE MATING END16-07 SINGLE MATING END
INSERT POSITION IN DEG311.0 AND 311.0 AND 199.0 AND 199.0 AND 160.0 AND 160.0 AND 116.0116.0
UNTHREADED MOUNTING HOLE DIAMETER0.116 INCHES MINIMUM AND 0.116 INCHES MINIMUM AND 0.126 INCHES MAXIMUM0.126 INCHES MAXIMUM IN
PRECIOUS MATERIAL AND WEIGHT0.007 GOLD GRAINS, TROY0.007 GOLD GRAINS, TROY
OTHER ITEMS IN FSC 5935 — Connectors, Electrical
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5935-00-000-8180 5935-00-001-1344 5935-00-001-1347 5935-00-001-1350 5935-00-001-1351 5935-00-001-1353 5935-00-001-1627 5935-00-001-1628
SUBSTITUTES & CROSS-REFERENCES 4
M81511/41FE04A3Reference document
Same NSN cross-reference
Reference document — Secondary reference
M81511/21EE04A3Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS81511/41Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
MIL-C-81511/21Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M81511/21FE04A3?
M81511/21FE04A3 is a CONNECTOR BODY,RECEPTACLE,ELECTR.
What parts can replace M81511/21FE04A3?
There are 4 known substitutes for M81511/21FE04A3: M81511/41FE04A3, M81511/21EE04A3, SAE-AS81511/41 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M81511/21FE04A3?
M81511/21FE04A3 is cataloged in the U.S. Government catalog under NSN 5935-01-107-5217. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.