MS21904-6 — INJECTOR ASSEMBLY,FUEL

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

MS21904-6: INJECTOR ASSEMBLY,FUEL.

The INJECTOR ASSEMBLY,FUEL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1137 OR STEEL COMP 1141 OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.031 INCHES MINIMUM AND 1.078 INCHES MAXIMUM 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 4730-00-618-9035, 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

MS21904-6

NSN: 4730-00-618-9035
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	STEEL COMP 1137 OR STEEL COMP 1141 OVERALL
flow_angle	90.0 DEGREES
leg_length	1.031 INCHES MINIMUM AND 1.078 INCHES MAXIMUM 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	CADMIUM AND CHROMATE OVERALL
operating_pressure	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size	0.562 INCHES ALL ENDS IN
maximum_operating_temp	250.0 FAHRENHEIT FIRST RESPONSE DEGF
media_for_which_designed	OXYGEN, GASEOUS SECOND RESPONSE
NSN	4730-00-618-9035

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW ANGLE: 90.0 DEGREES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1 OR2,CL2 FED SPEC 1ST TREATMENT RESPONSE OVERALL

•

CONNECTION STYLE: FLARELESS (TUBE) ALL ENDS

•

CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66,CARBON STEEL,0.20 PERCENT MAX FED STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES ALL ENDS IN

•

OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

LEG LENGTH: 1.031 INCHES MINIMUM AND 1.078 INCHES MAXIMUM ALL ENDS IN

TECHNICAL CHARACTERISTICS

FLOW ANGLE	90.0 DEGREES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1 OR2,CL2 FED SPEC 1ST TREATMENT RESPONSE OVERALL
CONNECTION STYLE	FLARELESS (TUBE) ALL ENDS
CONNECTION TYPE	THREADED EXTERNAL TUBE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATION	66,CARBON STEEL,0.20 PERCENT MAX FED STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.375 INCHES ALL ENDS IN
OPERATING PRESSURE	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
LEG LENGTH	1.031 INCHES MINIMUM AND 1.078 INCHES MAXIMUM ALL ENDS IN
NOMINAL THREAD SIZE	0.562 INCHES ALL ENDS IN
SEAT ANGLE	12.0 DEGREES ALL ENDS

SUBSTITUTES & CROSS-REFERENCES 3

AS18280Reference document

Same NSN cross-reference

Reference document — Secondary reference

AS21904Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

4730006189035Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is MS21904-6?

MS21904-6 is a INJECTOR ASSEMBLY,FUEL.

What parts can replace MS21904-6?

There are 3 known substitutes for MS21904-6: AS18280, AS21904, 4730006189035. Substitute compatibility should be verified for your specific system.

What is the NSN for MS21904-6?

MS21904-6 is cataloged in the U.S. Government catalog under NSN 4730-00-618-9035. This indicates validated use in U.S. government and defense supply chains.

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MS21904-6 — INJECTOR ASSEMBLY,FUEL

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