MS21911W5 — INJECTOR ASSEMBLY,FUEL

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

MS21911W5: INJECTOR ASSEMBLY,FUEL.

The INJECTOR ASSEMBLY,FUEL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, leg_length: 0.438 INCHES NOMINAL THIRD END IN, seat_angle: 24.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE SECOND END, connection_style: GASKET SEAL (BOSS) FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-558-9653, 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

MS21911W5

NSN: 4730-01-558-9653
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY OVERALL
leg_length	0.438 INCHES NOMINAL THIRD END IN
seat_angle	24.0 DEGREES FIRST END
thread_class	3A FIRST END A
connection_type	THREADED EXTERNAL TUBE SECOND END
connection_style	GASKET SEAL (BOSS) FIRST END
nominal_thread_size	0.500 INCHES FIRST END IN
end_item_identification	UH-1 HELICOPTER
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END
part_name_assigned_by_controlling_agency	TEE,BULKHEAD,FLARELESS TUBE,INTERNAL THREAD ON RUN
nominal_outside_diameter_tube_accommodated	0.312 INCHES FIRST END IN
NSN	4730-01-558-9653

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION STYLE: GASKET SEAL (BOSS) FIRST END

•

CONNECTION TYPE: THREADED EXTERNAL TUBE THIRD END

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.312 INCHES FIRST END IN

•

LEG LENGTH: 0.750 INCHES NOMINAL FIRST END IN

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	GASKET SEAL (BOSS) FIRST END
CONNECTION STYLE	FLARELESS (TUBE) THIRD END
CONNECTION STYLE	FLARELESS (TUBE) SECOND END
CONNECTION TYPE	THREADED EXTERNAL TUBE THIRD END
CONNECTION TYPE	THREADED INTERNAL BOSS FIRST END
CONNECTION TYPE	THREADED EXTERNAL TUBE SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.312 INCHES FIRST END IN
LEG LENGTH	0.750 INCHES NOMINAL FIRST END IN
LEG LENGTH	0.438 INCHES NOMINAL THIRD END IN
LEG LENGTH	1.672 INCHES NOMINAL SECOND END IN

OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

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

4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008

SUBSTITUTES & CROSS-REFERENCES 4

AS21911Reference document

Same NSN cross-reference

Reference document — Secondary reference

SAE-AS18280Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

MS21911Reference document

Same NSN cross-reference

Reference document — Secondary reference

AS18280Reference 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 MS21911W5?

MS21911W5 is a INJECTOR ASSEMBLY,FUEL.

What parts can replace MS21911W5?

There are 4 known substitutes for MS21911W5: AS21911, SAE-AS18280, MS21911 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MS21911W5?

MS21911W5 is cataloged in the U.S. Government catalog under NSN 4730-01-558-9653. This indicates validated use in U.S. government and defense supply chains.

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