SPEC4-4-56B — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

SPEC4-4-56B: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL BODY, leg_length: 0.550 INCHES NOMINAL IN, seat_angle: 37.0 DEGREES, thread_class: 3A ALL ENDS A, overall_length: 1.470 INCHES NOMINAL IN, connection_style: FLARED ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-131-4993, 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

SPEC4-4-56B

NSN: 4730-00-131-4993
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 78357 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV QUICK COUPLER DIVISION (USA)

SPECIFICATIONS

material	STEEL BODY
leg_length	0.550 INCHES NOMINAL IN
seat_angle	37.0 DEGREES
thread_class	3A ALL ENDS A
overall_length	1.470 INCHES NOMINAL IN
connection_style	FLARED ALL ENDS
special_features	O-RING,ETHYLENE PROPYLENE RUBBER
style_designator	MALE COUPLING HALF
features_provided	SELF-SEALING
surface_treatment	PASSIVATE BODY
nominal_thread_size	0.438 INCHES ALL ENDS IN
quick_disconnect_method	PUSH-PULL ALL ENDS
NSN	4730-00-131-4993

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION STYLE: FLARED ALL ENDS

•

MATING END IDENTIFICATION: SNAP-TITE INC COUPLING HALF,QUICK DISCONNECT,PART NO. SPEN4-4-57-303

•

STYLE DESIGNATOR: MALE COUPLING HALF

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE BODY

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES ALL ENDS IN

•

LEG LENGTH: 0.550 INCHES NOMINAL IN

•

FEATURES PROVIDED: SELF-SEALING

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	FLARED ALL ENDS
MATING END IDENTIFICATION	SNAP-TITE INC COUPLING HALF,QUICK DISCONNECT,PART NO. SPEN4-4-57-303
STYLE DESIGNATOR	MALE COUPLING HALF
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE BODY
OVERALL LENGTH	1.470 INCHES NOMINAL IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.250 INCHES ALL ENDS IN
LEG LENGTH	0.550 INCHES NOMINAL IN
FEATURES PROVIDED	SELF-SEALING
NOMINAL THREAD SIZE	0.438 INCHES ALL ENDS IN
SEAT ANGLE	37.0 DEGREES

SUBSTITUTES & CROSS-REFERENCES 5

ST7M308EA4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

S6PEC4-4-56BReference document

Same NSN cross-reference

Reference document — Secondary reference

SPEC4-4-56-303BReference document

Same NSN cross-reference

Reference document — Secondary reference

V00062-001Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

SPEAC4-4-56BReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is SPEC4-4-56B?

SPEC4-4-56B is a COUPLING HALF,QUICK DISCONNECT.

What parts can replace SPEC4-4-56B?

There are 5 known substitutes for SPEC4-4-56B: ST7M308EA4, S6PEC4-4-56B, SPEC4-4-56-303B and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for SPEC4-4-56B?

SPEC4-4-56B is cataloged in the U.S. Government catalog under NSN 4730-00-131-4993. This indicates validated use in U.S. government and defense supply chains.

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SPEC4-4-56B — COUPLING HALF,QUICK DISCONNECT

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