MS21915D8-4 — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

MS21915D8-4: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, reducer_type: CONCENTRIC, thread_class: 3A SECOND END A, connection_type: THREADED INTERNAL BOSS FIRST END, connection_style: GASKET SEAL (BOSS) FIRST END, surface_treatment: ANODIZE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-640-5041, 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

MS21915D8-4

NSN: 4730-00-640-5041
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: R1120 — SATAIR A/S (DNK)

SPECIFICATIONS

material	ALUMINUM ALLOY 2024 OVERALL
reducer_type	CONCENTRIC
thread_class	3A SECOND END A
connection_type	THREADED INTERNAL BOSS FIRST END
connection_style	GASKET SEAL (BOSS) FIRST END
surface_treatment	ANODIZE OVERALL
operating_pressure	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size	0.750 INCHES FIRST END IN
maximum_operating_temp	-65.0 FAHRENHEIT SECOND RESPONSE DEGF
nominal_overall_length	1.484 INCHES IN
media_for_which_designed	HYDRAULIC FLUID SINGLE RESPONSE
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
NSN	4730-00-640-5041

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

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

•

NOMINAL OVERALL LENGTH: 1.484 INCHES IN

•

CONNECTION TYPE: THREADED INTERNAL BOSS FIRST END

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6,T6,T62,T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

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

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLE	EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLE	GASKET SEAL (BOSS) FIRST END
NOMINAL OVERALL LENGTH	1.484 INCHES IN
CONNECTION TYPE	THREADED INTERNAL BOSS FIRST END
CONNECTION TYPE	THREADED EXTERNAL BOSS SECOND END
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/6,T6,T62,T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OPERATING PRESSURE	3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL THREAD SIZE	0.438 INCHES SECOND END IN
NOMINAL THREAD SIZE	0.750 INCHES FIRST END IN

SUBSTITUTES & CROSS-REFERENCES 3

ER894D8-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

AS18280Reference document

Same NSN cross-reference

Reference document — Secondary reference

AS21915Reference 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 MS21915D8-4?

MS21915D8-4 is a ADAPTER,STRAIGHT,TUBE TO BOSS.

What parts can replace MS21915D8-4?

There are 3 known substitutes for MS21915D8-4: ER894D8-4, AS18280, AS21915. Substitute compatibility should be verified for your specific system.

What is the NSN for MS21915D8-4?

MS21915D8-4 is cataloged in the U.S. Government catalog under NSN 4730-00-640-5041. This indicates validated use in U.S. government and defense supply chains.

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MS21915D8-4 — ADAPTER,STRAIGHT,TUBE TO BOSS

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