MS21904D3 — INJECTOR ASSEMBLY,FUEL

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

MS21904D3: INJECTOR ASSEMBLY,FUEL.

The INJECTOR ASSEMBLY,FUEL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, flow_angle: 90.0 DEGREES, leg_length: 0.812 INCHES NOMINAL ALL ENDS IN, seat_angle: 12.0 DEGREES ALL ENDS, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-194-1051, 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

MS21904D3

NSN: 4730-00-194-1051
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 00624 — EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY OVERALL
flow_angle	90.0 DEGREES
leg_length	0.812 INCHES NOMINAL ALL ENDS IN
seat_angle	12.0 DEGREES ALL ENDS
thread_class	3A ALL ENDS A
connection_type	THREADED EXTERNAL TUBE ALL ENDS
connection_style	FLARELESS (TUBE) ALL ENDS
surface_treatment	ANODIZE OUTSIDE
nominal_thread_size	0.375 INCHES ALL ENDS IN
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
nominal_outside_diameter_tube_accommodated	0.188 INCHES ALL ENDS IN
NSN	4730-00-194-1051

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW ANGLE: 90.0 DEGREES

•

CONNECTION STYLE: FLARELESS (TUBE) ALL ENDS

•

CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.188 INCHES ALL ENDS IN

•

LEG LENGTH: 0.812 INCHES NOMINAL ALL ENDS IN

•

NOMINAL THREAD SIZE: 0.375 INCHES ALL ENDS IN

•

SEAT ANGLE: 12.0 DEGREES ALL ENDS

•

SURFACE TREATMENT: ANODIZE INSIDE

TECHNICAL CHARACTERISTICS

FLOW ANGLE	90.0 DEGREES
CONNECTION STYLE	FLARELESS (TUBE) ALL ENDS
CONNECTION TYPE	THREADED EXTERNAL TUBE ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.188 INCHES ALL ENDS IN
LEG LENGTH	0.812 INCHES NOMINAL ALL ENDS IN
NOMINAL THREAD SIZE	0.375 INCHES ALL ENDS IN
SEAT ANGLE	12.0 DEGREES ALL ENDS
SURFACE TREATMENT	ANODIZE INSIDE
SURFACE TREATMENT	ANODIZE OUTSIDE
THREAD CLASS	3A ALL ENDS A

SUBSTITUTES & CROSS-REFERENCES 4

AS21904Reference document

Same NSN cross-reference

Reference document — Secondary reference

AS18280Reference document

Same NSN cross-reference

Reference document — Secondary reference

MIL-F-18280Reference document

Same NSN cross-reference

Reference document — Secondary reference

SAE-AS18280Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 MS21904D3?

MS21904D3 is a INJECTOR ASSEMBLY,FUEL.

What parts can replace MS21904D3?

There are 4 known substitutes for MS21904D3: AS21904, AS18280, MIL-F-18280 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MS21904D3?

MS21904D3 is cataloged in the U.S. Government catalog under NSN 4730-00-194-1051. This indicates validated use in U.S. government and defense supply chains.

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