557-1521-10 — RING ASSEMBLY,ELECTRICAL CONTACT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

557-1521-10: RING ASSEMBLY,ELECTRICAL CONTACT.

RING ASSEMBLY,ELECTRICAL CONTACT. Key specifications include width: 0.022 INCHES NOMINAL IN, diameter: 0.073 INCHES NOMINAL IN, overall_length: 0.530 INCHES NOMINAL IN, overall_diameter: 0.160 INCHES NOMINAL IN, surface_treatment: GOLD RING, contact_ring_quantity: 10. This part is cataloged in the U.S.

Government catalog under NSN 5977-01-042-2317, 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

557-1521-10

NSN: 5977-01-042-2317
FSC: 5977 — Electrical Contact Brushes and Electrodes
CAGE: 25583 — ACRON AVIATION, INC. (USA)

SPECIFICATIONS

width	0.022 INCHES NOMINAL IN
diameter	0.073 INCHES NOMINAL IN
overall_length	0.530 INCHES NOMINAL IN
overall_diameter	0.160 INCHES NOMINAL IN
surface_treatment	GOLD RING
contact_ring_quantity	10
NSN	5977-01-042-2317

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 0.160 INCHES NOMINAL IN

•

DIAMETER: 0.073 INCHES NOMINAL IN

•

SURFACE TREATMENT: GOLD RING

•

WIDTH: 0.022 INCHES NOMINAL IN

•

CONTACT RING QUANTITY: 10

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	0.160 INCHES NOMINAL IN
DIAMETER	0.073 INCHES NOMINAL IN
OVERALL LENGTH	0.530 INCHES NOMINAL IN
SURFACE TREATMENT	GOLD RING
WIDTH	0.022 INCHES NOMINAL IN
CONTACT RING QUANTITY	10

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 1

41899-10Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 557-1521-10?

557-1521-10 is a RING ASSEMBLY,ELECTRICAL CONTACT.

What parts can replace 557-1521-10?

There is 1 known substitute for 557-1521-10: 41899-10. Substitute compatibility should be verified for your specific system.

What is the NSN for 557-1521-10?

557-1521-10 is cataloged in the U.S. Government catalog under NSN 5977-01-042-2317. This indicates validated use in U.S. government and defense supply chains.

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