4-T26 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

4-T26: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include special_features: NEXT HIGHER ASSY IS NSN 4920-01-464-2615; TEST STAND, AIRCRAFT GENERATOR, end_item_identification: SPECIAL AIRCRAFT AND ENGINE TOOL AND SUPPORT EQUIPMENT/PARTS, criticality_code_justification: AGAV, part_name_assigned_by_controlling_agency: INAVY: PIPE FITTING, AIRCRA. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-442-7221, 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

4-T26

NSN: 4730-00-442-7221
NIINs: 004427221, 014876135
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 73992 — TUTHILL CORP HANSEN COUPLING DIV (USA)

SPECIFICATIONS

special_features	NEXT HIGHER ASSY IS NSN 4920-01-464-2615; TEST STAND, AIRCRAFT GENERATOR
end_item_identification	SPECIAL AIRCRAFT AND ENGINE TOOL AND SUPPORT EQUIPMENT/PARTS
criticality_code_justification	AGAV
part_name_assigned_by_controlling_agency	INAVY: PIPE FITTING, AIRCRA
NSN	4730-00-442-7221

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE BODY

•

CONNECTION STYLE: PLAIN ALL ENDS

•

CONNECTION TYPE: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION

•

STYLE DESIGNATOR: MALE COUPLING HALF

•

LEG LENGTH: 0.969 INCHES NOMINAL IN

•

NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE BODY
CONNECTION STYLE	PLAIN ALL ENDS
CONNECTION TYPE	THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
CONNECTION TYPE	EXTERNAL QUICK DISCONNECT ALL ENDS
STYLE DESIGNATOR	MALE COUPLING HALF
OVERALL LENGTH	1.938 INCHES NOMINAL IN
LEG LENGTH	0.969 INCHES NOMINAL IN
NOMINAL THREAD SIZE	0.500 INCHES ALL ENDS IN
SURFACE TREATMENT	CADMIUM BODY
MATERIAL	STEEL BODY

SUBSTITUTES & CROSS-REFERENCES 3

50FPSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

7746653P33Reference document

Same NSN cross-reference

Reference document — Secondary reference

ST-N4Reference 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 4-T26?

4-T26 is a COUPLING HALF,QUICK DISCONNECT.

What parts can replace 4-T26?

There are 3 known substitutes for 4-T26: 50FP, 7746653P33, ST-N4. Substitute compatibility should be verified for your specific system.

What is the NSN for 4-T26?

4-T26 is cataloged in the U.S. Government catalog under NSN 4730-00-442-7221. This indicates validated use in U.S. government and defense supply chains.

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