MS21923-4J — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

MS21923-4J: 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, seat_angle: 12.0 DEGREES FIRST END, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL BOSS SECOND END, connection_style: FLARED W/ GASKET SEAL (BOSS) SECOND END, special_features: GRUMMAN AEROSPACE A-10 AIRCRAFT. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-807-1121, 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

MS21923-4J

NSN: 4730-00-807-1121
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	STEEL COMP 304 OVERALL
seat_angle	12.0 DEGREES FIRST END
thread_class	3A ALL ENDS A
connection_type	THREADED EXTERNAL BOSS SECOND END
connection_style	FLARED W/ GASKET SEAL (BOSS) SECOND END
special_features	GRUMMAN AEROSPACE A-10 AIRCRAFT
surface_treatment	PASSIVATE OVERALL
nominal_thread_size	0.438 INCHES ALL ENDS IN
nominal_overall_length	1.750 INCHES IN
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF) CENTER BULKHEAD
specification/standard_data	96906-MS21923 GOVERNMENT STANDARD
nominal_outside_diameter_tube_accommodated	0.250 INCHES FIRST END IN
NSN	4730-00-807-1121

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE

•

CONNECTION STYLE: FLARED W/ GASKET SEAL (BOSS) SECOND END

•

NOMINAL OVERALL LENGTH: 1.750 INCHES IN

•

CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-14072,E300,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
CONNECTION STYLE	FLARED W/ GASKET SEAL (BOSS) SECOND END
CONNECTION STYLE	FLARELESS (TUBE) FIRST END
NOMINAL OVERALL LENGTH	1.750 INCHES IN
CONNECTION TYPE	THREADED EXTERNAL TUBE FIRST END
CONNECTION TYPE	THREADED EXTERNAL BOSS SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.250 INCHES FIRST END IN
NOMINAL THREAD SIZE	0.438 INCHES CENTER BULKHEAD IN
NOMINAL THREAD SIZE	0.438 INCHES ALL ENDS IN

SUBSTITUTES & CROSS-REFERENCES 5

AS21923Reference document

Same NSN cross-reference

Reference document — Secondary reference

SAE-AS18280Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

AS18280Reference document

Same NSN cross-reference

Reference document — Secondary reference

MS21923-4CReference document

Same NSN cross-reference

Reference document — Secondary reference

MS21923J4Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 MS21923-4J?

MS21923-4J is a ADAPTER,STRAIGHT,TUBE TO BOSS.

What parts can replace MS21923-4J?

There are 5 known substitutes for MS21923-4J: AS21923, SAE-AS18280, AS18280 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MS21923-4J?

MS21923-4J is cataloged in the U.S. Government catalog under NSN 4730-00-807-1121. This indicates validated use in U.S. government and defense supply chains.

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MS21923-4J — ADAPTER,STRAIGHT,TUBE TO BOSS

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