2178-75 — ADAPTER,STRAIGHT,HOSE TO BOSS

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

2178-75: ADAPTER,STRAIGHT,HOSE TO BOSS.

The ADAPTER,STRAIGHT,HOSE TO BOSS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, thread_class: 2A SECOND END A, connection_type: UNTHREADED INTERNAL HOSE FIRST END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END, special_features: FURNISHED WITH INTERNAL PLASTIC SPLIT BUSHING, surface_treatment: NICKEL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-150-5408, 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

2178-75

NSN: 4730-01-150-5408
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 07418 — JOSLYN SUNBANK COMPANY, LLC DBA JOSLYN SUNBANK CO LLC (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY OVERALL
thread_class	2A SECOND END A
connection_type	UNTHREADED INTERNAL HOSE FIRST END
connection_style	EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
special_features	FURNISHED WITH INTERNAL PLASTIC SPLIT BUSHING
surface_treatment	NICKEL OVERALL
nominal_thread_size	1.875 INCHES SECOND END IN
nominal_overall_length	1.000 INCHES IN
thread_quantity_per_inch	18 SECOND END
thread_series_designator	UNS SECOND END
material_document_and_classification	QQ-A-225 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-591 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
nominal_inside_diameter_hose_accommodated	0.750 INCHES FIRST END IN
NSN	4730-01-150-5408

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-26074,CLASS 3 OR 4,GRADE B MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

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

•

NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.750 INCHES FIRST END IN

•

NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED: 1.260 INCHES FIRST END IN

•

NOMINAL OVERALL LENGTH: 1.000 INCHES IN

•

CONNECTION TYPE: THREADED EXTERNAL BOSS SECOND END

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-26074,CLASS 3 OR 4,GRADE B MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLE	EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLE	SOCKET (HOSE) FIRST END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED	0.750 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED	1.260 INCHES FIRST END IN
NOMINAL OVERALL LENGTH	1.000 INCHES IN
CONNECTION TYPE	THREADED EXTERNAL BOSS SECOND END
CONNECTION TYPE	UNTHREADED INTERNAL HOSE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-591 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE	1.875 INCHES SECOND END IN

SUBSTITUTES & CROSS-REFERENCES 2

13142701Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

13142701-3Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 2178-75?

2178-75 is a ADAPTER,STRAIGHT,HOSE TO BOSS.

What parts can replace 2178-75?

There are 2 known substitutes for 2178-75: 13142701, 13142701-3. Substitute compatibility should be verified for your specific system.

What is the NSN for 2178-75?

2178-75 is cataloged in the U.S. Government catalog under NSN 4730-01-150-5408. This indicates validated use in U.S. government and defense supply chains.

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2178-75 — ADAPTER,STRAIGHT,HOSE TO BOSS

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