752S-1257-E2 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

752S-1257-E2: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL BODY, leg_length: 2.450 INCHES NOMINAL IN, connection_type: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION, connection_style: BARBED OR SERRATED END ALL ENDS, style_designator: MALE COUPLING HALF, surface_treatment: CADMIUM OR ZINC BODY. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-140-8250, 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

752S-1257-E2

NSN: 4730-01-140-8250
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 91561 — PARKER HANNIFIN CORPORATION DBA QUICK COUPLING DIV DIV QUICK COUPLING DIVISION BRUNING OPERATION (USA)

SPECIFICATIONS

material	STEEL BODY
leg_length	2.450 INCHES NOMINAL IN
connection_type	UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
connection_style	BARBED OR SERRATED END ALL ENDS
style_designator	MALE COUPLING HALF
surface_treatment	CADMIUM OR ZINC BODY
end_item_identification	A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
quick_disconnect_method	SPRING PUSH-PULL FIRST QUICK DISCONNECT END
nominal_inside_diameter_hose_accommodated	0.370 INCHES ALL ENDS IN
surface_treatment_document_and_classification	QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE BODY
NSN	4730-01-140-8250

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE BODY

•

CONNECTION STYLE: BARBED OR SERRATED END ALL ENDS

•

NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.370 INCHES ALL ENDS IN

•

CONNECTION TYPE: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION

•

STYLE DESIGNATOR: MALE COUPLING HALF

•

LEG LENGTH: 2.450 INCHES NOMINAL IN

•

SURFACE TREATMENT: CADMIUM OR ZINC BODY

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE BODY
CONNECTION STYLE	BARBED OR SERRATED END ALL ENDS
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED	0.370 INCHES ALL ENDS IN
CONNECTION TYPE	UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
STYLE DESIGNATOR	MALE COUPLING HALF
LEG LENGTH	2.450 INCHES NOMINAL IN
SURFACE TREATMENT	CADMIUM OR ZINC BODY
END ITEM IDENTIFICATION	A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
MATERIAL	STEEL BODY
QUICK DISCONNECT METHOD	SPRING PUSH-PULL FIRST QUICK DISCONNECT END

SUBSTITUTES & CROSS-REFERENCES 4

12297003Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

7812-040-0020Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

12297003-3Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

4730011408250Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 752S-1257-E2?

752S-1257-E2 is a COUPLING HALF,QUICK DISCONNECT.

What parts can replace 752S-1257-E2?

There are 4 known substitutes for 752S-1257-E2: 12297003, 7812-040-0020, 12297003-3 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 752S-1257-E2?

752S-1257-E2 is cataloged in the U.S. Government catalog under NSN 4730-01-140-8250. This indicates validated use in U.S. government and defense supply chains.

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752S-1257-E2 — COUPLING HALF,QUICK DISCONNECT

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