PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 66-7737US
66-7737US ✓ 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 RING,WEARING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, body_style: PLAIN, corner_shape: SQUARE ALL CORNERS, overall_length: 1.000 INCHES NOMINAL IN, body_inside_diameter: 5.255 INCHES MINIMUM AND 5.265 INCHES MAXIMUM IN, body_outside_diameter: 6.000 INCHES MINIMUM AND 6.001 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-008-7329, 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
66-7737US
NSN: 4320-00-008-7329
FSC: 4320
CAGE: 09647 — AQUA-CHEM, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_stylePLAIN
corner_shapeSQUARE ALL CORNERS
overall_length1.000 INCHES NOMINAL IN
body_inside_diameter5.255 INCHES MINIMUM AND 5.265 INCHES MAXIMUM IN
body_outside_diameter6.000 INCHES MINIMUM AND 6.001 INCHES MAXIMUM IN
material_document_and_classificationMIL-B-16261,GR 2 MIL SPEC SINGLE MATERIAL RESPONSE
NSN4320-00-008-7329
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,WEARING TITLE COMPONENT PN 66-7737US MFR RING,WEARING
KEY FEATURES
•
MATERIAL: COPPER ALLOY
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-16261,GR 2 MIL SPEC SINGLE MATERIAL RESPONSE
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY INSIDE DIAMETER: 5.255 INCHES MINIMUM AND 5.265 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 6.000 INCHES MINIMUM AND 6.001 INCHES MAXIMUM IN
•
BODY STYLE: PLAIN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.000 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16261,GR 2 MIL SPEC SINGLE MATERIAL RESPONSE
CORNER SHAPESQUARE ALL CORNERS
BODY INSIDE DIAMETER5.255 INCHES MINIMUM AND 5.265 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER6.000 INCHES MINIMUM AND 6.001 INCHES MAXIMUM IN
BODY STYLEPLAIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
667784-401Interchangeable
interchangeable cross-reference
interchangeable
667784Interchangeable
interchangeable cross-reference
interchangeable
509626Interchangeable
interchangeable cross-reference
interchangeable
3901793Interchangeable
interchangeable cross-reference
interchangeable
66A7736Interchangeable
Same NIIN cross-reference
interchangeable
066-07784-000Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 66-7737US?
66-7737US is a RING,WEARING.
What parts can replace 66-7737US?
There are 8 known substitutes for 66-7737US: 667784-401, 667784, 509626 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 66-7737US?
66-7737US is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-008-7329. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026