MS21915-8-4 — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

MS21915-8-4: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, seat_angle: 12.0 DEGREES FIRST END, thread_class: 3B SECOND END, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARELESS (TUBE) FIRST END, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-595-1561, 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

MS21915-8-4

NSN: 4730-00-595-1561
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	STEEL OVERALL
seat_angle	12.0 DEGREES FIRST END
thread_class	3B SECOND END
connection_type	THREADED EXTERNAL TUBE FIRST END
connection_style	FLARELESS (TUBE) FIRST END
surface_treatment	CADMIUM OVERALL
nominal_thread_size	0.750 INCHES SECOND END IN
nominal_overall_length	1.484 INCHES IN
end_item_identification	AIRCRAFT APPLICATION
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
specification/standard_data	96906-MS21915 GOVERNMENT STANDARD
nominal_outside_diameter_tube_accommodated	0.250 INCHES FIRST END IN
NSN	4730-00-595-1561

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION STYLE: FLARELESS (TUBE) FIRST END

•

NOMINAL OVERALL LENGTH: 1.484 INCHES IN

•

CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN

•

NOMINAL THREAD SIZE: 0.750 INCHES SECOND END IN

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	FLARELESS (TUBE) FIRST END
CONNECTION STYLE	GASKET SEAL (BOSS) SECOND END
NOMINAL OVERALL LENGTH	1.484 INCHES IN
CONNECTION TYPE	THREADED EXTERNAL TUBE FIRST END
CONNECTION TYPE	THREADED INTERNAL BOSS SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.250 INCHES FIRST END IN
NOMINAL THREAD SIZE	0.750 INCHES SECOND END IN
NOMINAL THREAD SIZE	0.438 INCHES FIRST END IN
SEAT ANGLE	12.0 DEGREES FIRST END
SPECIFICATION/STANDARD DATA	96906-MS21915 GOVERNMENT STANDARD

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 5

AS18280Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

AS21915Reference document

Same NSN cross-reference

Reference document — Secondary reference

04251335200429Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

04052333006460Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

4730PL1589937Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is MS21915-8-4?

MS21915-8-4 is a ADAPTER,STRAIGHT,TUBE TO BOSS.

What parts can replace MS21915-8-4?

There are 5 known substitutes for MS21915-8-4: AS18280, AS21915, 04251335200429 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MS21915-8-4?

MS21915-8-4 is cataloged in the U.S. Government catalog under NSN 4730-00-595-1561. This indicates validated use in U.S. government and defense supply chains.

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MS21915-8-4 — ADAPTER,STRAIGHT,TUBE TO BOSS

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