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30987-1 — RING-EYECUP

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

30987-1: RING-EYECUP.

The RING-EYECUP is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, end_similarity: NOT IDENTICAL, overall_length: 2.500 INCHES NOMINAL IN, first_end_style: CIRCULAR GROOVED, second_end_style: CIRCULAR GROOVED, first_end_diameter: 0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-247-8913, 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
MRO→ MRO_GENERAL→ 30987-1
NSN: 3040-00-247-8913
NIINs: 002478913, 004320930, 010812838, 011298793, 012448263
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 14058 — THE DEWEY ELECTRONICS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 303
end_similarityNOT IDENTICAL
overall_length2.500 INCHES NOMINAL IN
first_end_styleCIRCULAR GROOVED
second_end_styleCIRCULAR GROOVED
first_end_diameter0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN
second_end_diameter0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN
first_end_groove_width0.0290 INCHES NOMINAL IN
second_end_groove_width0.0290 INCHES NOMINAL IN
first_end_groove_diameter0.2300 INCHES NOMINAL IN
second_end_groove_diameter0.2300 INCHES NOMINAL IN
material_document_and_classificationMIL-S-7720,CONDITION A MIL SPEC SINGLE MATERIAL RESPONSE
NSN3040-00-247-8913
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING-EYECUP TITLE COMPONENT PN 30987-1 MFR RING-EYECUP
KEY FEATURES
•
FIRST END DIAMETER: 0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN
•
SECOND END DIAMETER: 0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN
•
FIRST END STYLE: CIRCULAR GROOVED
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7720,CONDITION A MIL SPEC SINGLE MATERIAL RESPONSE
•
SECOND END GROOVE DIAMETER: 0.2300 INCHES NOMINAL IN
•
END SIMILARITY: NOT IDENTICAL
•
FIRST END DISTANCE FROM END TO GROOVE: 0.406 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FIRST END DIAMETER0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN
SECOND END DIAMETER0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN
FIRST END STYLECIRCULAR GROOVED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720,CONDITION A MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH2.500 INCHES NOMINAL IN
SECOND END GROOVE DIAMETER0.2300 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
FIRST END DISTANCE FROM END TO GROOVE0.406 INCHES NOMINAL IN
SECOND END GROOVE WIDTH0.0290 INCHES NOMINAL IN
SECOND END DISTANCE FROM END TO GROOVE0.945 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 30987-1?
30987-1 is a RING-EYECUP. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 30987-1?
30987-1 is cataloged in the U.S. Government catalog under NSN 3040-00-247-8913. 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.