MS21915J8-4 — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

MS21915J8-4: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, reducer_type: CONCENTRIC, thread_class: 3A SECOND END A, connection_type: THREADED INTERNAL BOSS FIRST END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END, nominal_thread_size: 0.437 INCHES SECOND END IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-315-8978, 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

MS21915J8-4

NSN: 4730-01-315-8978
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	STEEL COMP 304 OVERALL
reducer_type	CONCENTRIC
thread_class	3A SECOND END A
connection_type	THREADED INTERNAL BOSS FIRST END
connection_style	EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
nominal_thread_size	0.437 INCHES SECOND END IN
nominal_overall_length	1.4844 INCHES IN
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
specification/standard_data	96906-MS21915 GOVERNMENT STANDARD
NSN	4730-01-315-8978

COMPONENT DIAGRAM

KEY FEATURES

•

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

•

NOMINAL OVERALL LENGTH: 1.4844 INCHES IN

•

CONNECTION TYPE: THREADED INTERNAL BOSS FIRST END

•

NOMINAL THREAD SIZE: 0.437 INCHES SECOND END IN

•

SPECIFICATION/STANDARD DATA: 96906-MS21915 GOVERNMENT STANDARD

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLE	GASKET SEAL (BOSS) FIRST END
NOMINAL OVERALL LENGTH	1.4844 INCHES IN
CONNECTION TYPE	THREADED INTERNAL BOSS FIRST END
CONNECTION TYPE	THREADED EXTERNAL BOSS SECOND END
NOMINAL THREAD SIZE	0.437 INCHES SECOND END IN
NOMINAL THREAD SIZE	0.750 INCHES FIRST END IN
SPECIFICATION/STANDARD DATA	96906-MS21915 GOVERNMENT STANDARD
THREAD CLASS	3A SECOND END A
THREAD CLASS	3B FIRST END

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

MS219538-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

AS21915Reference document

Same NSN cross-reference

Reference document — Secondary reference

AS18280Reference document

Same NSN cross-reference

Reference document — Secondary reference

SAE-AS18280Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is MS21915J8-4?

MS21915J8-4 is a ADAPTER,STRAIGHT,TUBE TO BOSS.

What parts can replace MS21915J8-4?

There are 4 known substitutes for MS21915J8-4: MS219538-4, AS21915, AS18280 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MS21915J8-4?

MS21915J8-4 is cataloged in the U.S. Government catalog under NSN 4730-01-315-8978. This indicates validated use in U.S. government and defense supply chains.

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MS21915J8-4 — ADAPTER,STRAIGHT,TUBE TO BOSS

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