21789-2 — ACTUATOR,MECHANICAL,NONAIRCRAFT

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

21789-2: ACTUATOR,MECHANICAL,NONAIRCRAFT.

ACTUATOR,MECHANICAL,NONAIRCRAFT. Key specifications include material: GLASS, flow_angle: 90.0 DEGREES, leg_length: 0.893 INCHES NOMINAL SECOND END IN, thread_class: 2B FIRST END, connection_type: THREADED EXTERNAL BOSS SECOND END, connection_style: GASKET SEAL (BOSS) FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-201-4705, 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

21789-2

NSN: 4730-00-201-4705
NIINs: 002014705, 012803547, 014264730, 014836341
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 17610 — ROCKWELL COLLINS INC (USA)

SPECIFICATIONS

material	GLASS
flow_angle	90.0 DEGREES
leg_length	0.893 INCHES NOMINAL SECOND END IN
thread_class	2B FIRST END
connection_type	THREADED EXTERNAL BOSS SECOND END
connection_style	GASKET SEAL (BOSS) FIRST END
surface_treatment	PASSIVATE OVERALL
nominal_thread_size	0.250 INCHES FIRST END IN
end_item_identification	5825-01-366-2452 TEAM PORT COMINT SYSTEM
thread_series_designator	UNF ALL ENDS
material_document_and_classification	QQ-S-769,TYPE 303SE,CONDITION A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	11-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	4730-00-201-4705

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW ANGLE: 90.0 DEGREES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 11-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END

•

CONNECTION TYPE: THREADED INTERNAL BOSS FIRST END

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-769,TYPE 303SE,CONDITION A FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

LEG LENGTH: 0.683 INCHES NOMINAL FIRST END IN

TECHNICAL CHARACTERISTICS

FLOW ANGLE	90.0 DEGREES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	11-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLE	EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLE	GASKET SEAL (BOSS) FIRST END
CONNECTION TYPE	THREADED INTERNAL BOSS FIRST END
CONNECTION TYPE	THREADED EXTERNAL BOSS SECOND END
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-769,TYPE 303SE,CONDITION A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
LEG LENGTH	0.683 INCHES NOMINAL FIRST END IN
LEG LENGTH	0.893 INCHES NOMINAL SECOND END IN
NOMINAL THREAD SIZE	0.625 INCHES SECOND END IN

SUBSTITUTES & CROSS-REFERENCES 3

MSS21789-2Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

A51K9035-17Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

90C0001Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 21789-2?

21789-2 is a ACTUATOR,MECHANICAL,NONAIRCRAFT.

What parts can replace 21789-2?

There are 3 known substitutes for 21789-2: MSS21789-2, A51K9035-17, 90C0001. Substitute compatibility should be verified for your specific system.

What is the NSN for 21789-2?

21789-2 is cataloged in the U.S. Government catalog under NSN 4730-00-201-4705. This indicates validated use in U.S. government and defense supply chains.

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21789-2 — ACTUATOR,MECHANICAL,NONAIRCRAFT

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