MS21911-8C — TEE,TUBE TO BOSS

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

MS21911-8C: TEE,TUBE TO BOSS.

The TEE,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, leg_length: 2.031 INCHES NOMINAL FIRST END IN, seat_angle: 12.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL BOSS THIRD END, connection_style: FLARELESS (TUBE) FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-142-7887, 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

MS21911-8C

NSN: 4730-01-142-7887
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

material	STEEL COMP 304 OVERALL
leg_length	2.031 INCHES NOMINAL FIRST END IN
seat_angle	12.0 DEGREES FIRST END
thread_class	3A FIRST END A
connection_type	THREADED EXTERNAL BOSS THIRD END
connection_style	FLARELESS (TUBE) FIRST END
nominal_thread_size	0.750 INCHES FIRST END BULKHEAD IN
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END BULKHEAD
specification/standard_data	96906-MS21911 GOVERNMENT STANDARD
nominal_outside_diameter_tube_accommodated	0.500 INCHES FIRST END IN
NSN	4730-01-142-7887

COMPONENT DIAGRAM

KEY FEATURES

•

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

•

CONNECTION TYPE: THREADED EXTERNAL BOSS THIRD END

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES FIRST END IN

•

LEG LENGTH: 1.344 INCHES NOMINAL THIRD END IN

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	EXTERNAL SEAT FOR GASKET SEAL (BOSS) THIRD END
CONNECTION STYLE	FLARELESS (TUBE) FIRST END
CONNECTION STYLE	GASKET SEAL (BOSS) SECOND END
CONNECTION TYPE	THREADED EXTERNAL BOSS THIRD END
CONNECTION TYPE	THREADED EXTERNAL TUBE FIRST END
CONNECTION TYPE	THREADED INTERNAL BOSS SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.500 INCHES FIRST END IN
LEG LENGTH	1.344 INCHES NOMINAL THIRD END IN
LEG LENGTH	2.031 INCHES NOMINAL FIRST END IN
LEG LENGTH	1.000 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 2

SAE-AS18280Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

MS21911-8JReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· 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 MS21911-8C?

MS21911-8C is a TEE,TUBE TO BOSS.

What parts can replace MS21911-8C?

There are 2 known substitutes for MS21911-8C: SAE-AS18280, MS21911-8J. Substitute compatibility should be verified for your specific system.

What is the NSN for MS21911-8C?

MS21911-8C is cataloged in the U.S. Government catalog under NSN 4730-01-142-7887. This indicates validated use in U.S. government and defense supply chains.

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MS21911-8C — TEE,TUBE TO BOSS

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