256990-2 — RING ASSEMBLY,ELECTRICAL CONTACT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

256990-2: RING ASSEMBLY,ELECTRICAL CONTACT.

RING ASSEMBLY,ELECTRICAL CONTACT. Key specifications include diameter: 7.500 INCHES NOMINAL IN, overall_width: 7.500 INCHES NOMINAL IN, overall_height: 4.430 INCHES NOMINAL IN, overall_length: 10.250 INCHES NOMINAL IN, precious_material: SILVER, contact_ring_quantity: 28. This part is cataloged in the U.S.

Government catalog under NSN 5977-01-515-9240, 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

256990-2

NSN: 5977-01-515-9240
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 24930 — L3HARRIS TECHNOLOGIES, INC DIV SPACE & AIRBORNE SYSTEMS (USA)

SPECIFICATIONS

diameter	7.500 INCHES NOMINAL IN
overall_width	7.500 INCHES NOMINAL IN
overall_height	4.430 INCHES NOMINAL IN
overall_length	10.250 INCHES NOMINAL IN
precious_material	SILVER
contact_ring_quantity	28
precious_material_and_location	TERMINALS SILVER
NSN	5977-01-515-9240

COMPONENT DIAGRAM

KEY FEATURES

•

PRECIOUS MATERIAL: SILVER

•

DIAMETER: 7.500 INCHES NOMINAL IN

•

PRECIOUS MATERIAL AND LOCATION: TERMINALS SILVER

•

CONTACT RING QUANTITY: 28

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	4.430 INCHES NOMINAL IN
PRECIOUS MATERIAL	SILVER
DIAMETER	7.500 INCHES NOMINAL IN
OVERALL LENGTH	10.250 INCHES NOMINAL IN
OVERALL WIDTH	7.500 INCHES NOMINAL IN
PRECIOUS MATERIAL AND LOCATION	TERMINALS SILVER
CONTACT RING QUANTITY	28

OTHER ITEMS IN FSC 5977 — Electrical Contact Brushes and Electrodes

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5977-00-001-8018 5977-00-001-8867 5977-00-002-9654 5977-00-003-0257 5977-00-003-0258 5977-00-003-0264 5977-00-003-1196 5977-00-003-1197

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 256990-2?

256990-2 is a RING ASSEMBLY,ELECTRICAL CONTACT.

What is the NSN for 256990-2?

256990-2 is cataloged in the U.S. Government catalog under NSN 5977-01-515-9240. This indicates validated use in U.S. government and defense supply chains.

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256990-2 — RING ASSEMBLY,ELECTRICAL CONTACT

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