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166-178 — CONNECTOR,RECEPTACLE,ELECTRICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

166-178: CONNECTOR,RECEPTACLE,ELECTRICAL.

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, body_style: ANGLE SHAPE, PCB TYPE, core_depth: 0.400 INCHES NOMINAL IN, head_height: 0.370 INCHES NOMINAL IN, thread_class: 3A EXTERNAL A, overall_width: 0.495 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-203-2616, 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
166-178
NSN: 5365-00-203-2616
NIINs: 002032616, 011043255, 011906522
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
body_styleANGLE SHAPE, PCB TYPE
core_depth0.400 INCHES NOMINAL IN
head_height0.370 INCHES NOMINAL IN
thread_class3A EXTERNAL A
overall_width0.495 INCHES MAXIMUM IN
thread_length0.355 INCHES NOMINAL EXTERNAL IN
overall_height0.750 INCHES NOMINAL IN
overall_length6.740 INCHES MINIMUM AND 6.750 INCHES MAXIMUM IN
insert_materialPLASTIC DIALLYL PHTHALATE GLASS FILLED OR PLASTIC POLYESTER GLASS FILLED SINGLE MATING END
connection_stylePLAIN
contact_materialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
NSN5365-00-203-2616
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,RECEPTACLE,ELECTRICAL TITLE COMPONENT PN 166-178 MFR CONNECTOR,RECEPTACLE,E
KEY FEATURES
•
BODY CORE DIAMETER: 1.125 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.370 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2470 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: PLAIN
•
CORE DEPTH: 0.400 INCHES NOMINAL IN
•
THREAD LENGTH: 0.355 INCHES NOMINAL EXTERNAL IN
•
STYLE DESIGNATOR: PLUG, MACHINE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
BODY CORE DIAMETER1.125 INCHES NOMINAL IN
HEAD HEIGHT0.370 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2470 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEPLAIN
CORE DEPTH0.400 INCHES NOMINAL IN
THREAD LENGTH0.355 INCHES NOMINAL EXTERNAL IN
STYLE DESIGNATORPLUG, MACHINE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.850 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND EXTERNAL
SUBSTITUTES & CROSS-REFERENCES 1
MS9015-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 166-178?
166-178 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 166-178?
There is 1 known substitute for 166-178: MS9015-20. Substitute compatibility should be verified for your specific system.
What is the NSN for 166-178?
166-178 is cataloged in the U.S. Government catalog under NSN 5365-00-203-2616. 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.