1HA57 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

1HA57: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL BODY, leg_length: 2.580 INCHES NOMINAL IN, thread_class: 2B ALL ENDS, overall_length: 2.810 INCHES MINIMUM AND 2.920 INCHES MAXIMUM IN, connection_type: THREADED INTERNAL BOSS FIRST FLUID END CONNECTION, connection_style: BOSS GASKET SEAL ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-242-4573, 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

1HA57

NSN: 4730-01-242-4573
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 45152 — OSHKOSH CORP (USA)

SPECIFICATIONS

material	STEEL BODY
leg_length	2.580 INCHES NOMINAL IN
thread_class	2B ALL ENDS
overall_length	2.810 INCHES MINIMUM AND 2.920 INCHES MAXIMUM IN
connection_type	THREADED INTERNAL BOSS FIRST FLUID END CONNECTION
connection_style	BOSS GASKET SEAL ALL ENDS
special_features	WEAPON SYSTEM ESSENTIAL
style_designator	MALE COUPLING HALF
nominal_thread_size	0.563 INCHES ALL ENDS IN
end_item_identification	MRAP - COMMON NSN - USED ON RG33 CAT I AND 2 OTHER WEAPON SYSTEMS
quick_disconnect_method	PUSH-LOCK SECOND QUICK DISCONNECT END
thread_quantity_per_inch	12 ALL ENDS
NSN	4730-01-242-4573

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 7

3789783Reference document

Same NSN cross-reference

Reference document — Secondary reference

12357237-3Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

6-K-12Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

H6-63-T12Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

12357237Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

12365755-11Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 1HA57?

1HA57 is a COUPLING HALF,QUICK DISCONNECT.

What parts can replace 1HA57?

There are 7 known substitutes for 1HA57: 3789783, 12357237-3, 6-K-12 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 1HA57?

1HA57 is cataloged in the U.S. Government catalog under NSN 4730-01-242-4573. This indicates validated use in U.S. government and defense supply chains.

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1HA57 — COUPLING HALF,QUICK DISCONNECT

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