A4556 — FILTER,RADIO FREQUENCY INTERFERE

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

A4556: FILTER,RADIO FREQUENCY INTERFERE.

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: COPPER ALLOY 377 OVERALL, body_width: 2.930 INCHES NOMINAL IN, flow_angle: 90.0 DEGREES, leg_length: 0.886 INCHES MINIMUM AND 0.926 INCHES MAXIMUM ALL ENDS IN, seat_angle: 45.0 DEGREES ALL ENDS, body_length: 5.620 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-288-9421, 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→ A4556

NSN: 4730-00-288-9421
NIINs: 002889421, 009375504, 010239822
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 41947 — MUELLER BRASS CO. (USA)

SPECIFICATIONS

material	COPPER ALLOY 377 OVERALL
body_width	2.930 INCHES NOMINAL IN
flow_angle	90.0 DEGREES
leg_length	0.886 INCHES MINIMUM AND 0.926 INCHES MAXIMUM ALL ENDS IN
seat_angle	45.0 DEGREES ALL ENDS
body_length	5.620 INCHES NOMINAL IN
thread_class	2A ALL ENDS A
body_material	METAL
overall_width	2.930 INCHES NOMINAL IN
inclosure_type	ENCASED
overall_height	2.474 INCHES NOMINAL IN
overall_length	6.113 INCHES NOMINAL IN
NSN	4730-00-288-9421

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW ANGLE: 90.0 DEGREES

•

CONNECTION STYLE: FLARED (TUBE) ALL ENDS

•

CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626,COMP 21 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.312 INCHES ALL ENDS IN

•

LEG LENGTH: 0.886 INCHES MINIMUM AND 0.926 INCHES MAXIMUM ALL ENDS IN

•

NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN

•

SEAT ANGLE: 45.0 DEGREES ALL ENDS

TECHNICAL CHARACTERISTICS

FLOW ANGLE	90.0 DEGREES
CONNECTION STYLE	FLARED (TUBE) ALL ENDS
CONNECTION TYPE	THREADED EXTERNAL TUBE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-626,COMP 21 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.312 INCHES ALL ENDS IN
LEG LENGTH	0.886 INCHES MINIMUM AND 0.926 INCHES MAXIMUM ALL ENDS IN
NOMINAL THREAD SIZE	0.500 INCHES ALL ENDS IN
SEAT ANGLE	45.0 DEGREES ALL ENDS
THREAD CLASS	2A ALL ENDS A
MATERIAL	COPPER ALLOY 377 OVERALL

SUBSTITUTES & CROSS-REFERENCES 4

J513Reference document

Same NSN cross-reference

Reference document — Secondary reference

8924215Reference document

Same NSN cross-reference

Reference document — Secondary reference

9832254Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

4730002889421Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is A4556?

A4556 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).

What parts can replace A4556?

There are 4 known substitutes for A4556: J513, 8924215, 9832254 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for A4556?

A4556 is cataloged in the U.S. Government catalog under NSN 4730-00-288-9421. This indicates validated use in U.S. government and defense supply chains.

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