77821 — FILTER,RADIO FREQUENCY INTERFERE

✓ Government record, cited

Legrand · COMPONENT

PRODUCT OVERVIEW

77821: FILTER,RADIO FREQUENCY INTERFERE.

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: STEEL COMP 316 OVERALL, nut_style: HEXAGON, nut_height: 0.719 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 4130-01-090-9907, 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

77821

NSN: 4130-01-090-9907
NIINs: 010909907, 011407113, 017054255
FSC: 4130 — Refrigeration and Air Conditioning Components
CAGE: 01496 — AIR DRY CO OF AMERICA, LLC (USA)

SPECIFICATIONS

material	STEEL COMP 316 OVERALL
nut_style	HEXAGON
nut_height	0.719 INCHES NOMINAL IN
thread_class	2B
thread_series	UNIFIED NATIONAL COARSE (UNC)
thread_direction	RIGHT-HAND
width_across_flats	1.875 INCHES NOMINAL IN
nominal_thread_size	1.250 INCHES IN
bearing_surface_type	CHAMFERED
thread_quantity_per_inch	7
strength_grade_designation	08
material_document_and_classification	ASTM A194/194A, GRADE 8 OR 8A AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL A
NSN	4130-01-090-9907

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 1

K-30-4Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 77821?

77821 is a FILTER,RADIO FREQUENCY INTERFERE manufactured by Legrand.

What parts can replace 77821?

There is 1 known substitute for 77821: K-30-4. Substitute compatibility should be verified for your specific system.

What is the NSN for 77821?

77821 is cataloged in the U.S. Government catalog under NSN 4130-01-090-9907. This indicates validated use in U.S. government and defense supply chains.

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77821 — FILTER,RADIO FREQUENCY INTERFERE

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