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PartsTable / COMPONENT / 26M77-100 ITEM90
26M77-100 ITEM90 ✓ 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 W/INTERNAL FLANGE, corner_shape: SQUARE ALL CORNERS, overall_length: 1.380 INCHES NOMINAL IN, body_outside_diameter: 2.937 INCHES NOMINAL IN, internal_flange_width: 0.250 INCHES NOMINAL 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 4320-01-148-8305, 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
26M77-100 ITEM90
NSN: 4320-01-148-8305
FSC: 4320
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_stylePLAIN W/INTERNAL FLANGE
corner_shapeSQUARE ALL CORNERS
overall_length1.380 INCHES NOMINAL IN
body_outside_diameter2.937 INCHES NOMINAL IN
internal_flange_width0.250 INCHES NOMINAL IN
internal_flange_inside_diameter2.460 INCHES NOMINAL IN
NSN4320-01-148-8305
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,WEARING TITLE COMPONENT PN 26M77-100 ITEM90 MFR RING,WEARING
KEY FEATURES
•
MATERIAL: COPPER ALLOY
•
INTERNAL FLANGE INSIDE DIAMETER: 2.460 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 2.937 INCHES NOMINAL IN
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY STYLE: PLAIN W/INTERNAL FLANGE
•
INTERNAL FLANGE WIDTH: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY
OVERALL LENGTH1.380 INCHES NOMINAL IN
INTERNAL FLANGE INSIDE DIAMETER2.460 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.937 INCHES NOMINAL IN
CORNER SHAPESQUARE ALL CORNERS
BODY STYLEPLAIN W/INTERNAL FLANGE
INTERNAL FLANGE WIDTH0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
2620-920X12ASSY11APC4Interchangeable
interchangeable cross-reference
interchangeable
845-2181282-3INInterchangeable
interchangeable cross-reference
interchangeable
845-2445066 ITEM 19Interchangeable
interchangeable cross-reference
interchangeable
26M77-100-PC21Interchangeable
interchangeable cross-reference
interchangeable
845-2445066Interchangeable
interchangeable cross-reference
interchangeable
26M77-100 ITEM 21Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26M77-100 ITEM90?
26M77-100 ITEM90 is a RING,WEARING.
What parts can replace 26M77-100 ITEM90?
There are 21 known substitutes for 26M77-100 ITEM90: 2620-920X12ASSY11APC4, 845-2181282-3IN, 845-2445066 ITEM 19 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 26M77-100 ITEM90?
26M77-100 ITEM90 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-148-8305. 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: July 2026