AN778-4C — CONNECTOR,MULTIPLE,FLUID PRESSUR

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

AN778-4C: CONNECTOR,MULTIPLE,FLUID PRESSUR.

CONNECTOR,MULTIPLE,FLUID PRESSUR. Key specifications include material: STEEL COMP 304 OR STEEL COMP 316, thickness: 0.750 INCHES NOMINAL IN, thread_size: 7/16 IN.-20 LOCATION NOT OTHERWISE SPECIFIED IN, thread_class: 3A LOCATION NOT OTHERWISE SPECIFIED A, overall_width: 0.813 INCHES NOMINAL IN, overall_length: 1.625 INCHES MINIMUM AND 1.844 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-803-1680, 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

AN778-4C

NSN: 4730-00-803-1680
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)

SPECIFICATIONS

material	STEEL COMP 304 OR STEEL COMP 316
thickness	0.750 INCHES NOMINAL IN
thread_size	7/16 IN.-20 LOCATION NOT OTHERWISE SPECIFIED IN
thread_class	3A LOCATION NOT OTHERWISE SPECIFIED A
overall_width	0.813 INCHES NOMINAL IN
overall_length	1.625 INCHES MINIMUM AND 1.844 INCHES MAXIMUM IN
furnished_items	SEAT LOCATION NOT OTHERWISE SPECIFIED
connection_style	FLARED LOCATION NOT OTHERWISE SPECIFIED
style_designator	1 FLUID CONNECTION
thread_direction	RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
thread_provision	THREADED LOCATION NOT OTHERWISE SPECIFIED
seat_angle_in_deg	37.0 LOCATION NOT OTHERWISE SPECIFIED
NSN	4730-00-803-1680

COMPONENT DIAGRAM

KEY FEATURES

•

DEG BETWEEN OUTLETS: 45.0

•

BOLT HOLE FLUID PASSAGE: PROVIDED

•

SEAT ANGLE IN DEG: 37.0 LOCATION NOT OTHERWISE SPECIFIED

•

THREAD PROVISION: THREADED LOCATION NOT OTHERWISE SPECIFIED

•

FLUID CONVEYANCE TYPE AND SIZE FOR WHICH DESIGNED: 1/4 IN. OD TUBE IN

•

CONNECTION STYLE: FLARED LOCATION NOT OTHERWISE SPECIFIED

•

BOLT HOLE FLATS SERRATIONS: PROVIDED

•

STYLE DESIGNATOR: 1 FLUID CONNECTION

TECHNICAL CHARACTERISTICS

DEG BETWEEN OUTLETS	45.0
BOLT HOLE FLUID PASSAGE	PROVIDED
SEAT ANGLE IN DEG	37.0 LOCATION NOT OTHERWISE SPECIFIED
THREAD PROVISION	THREADED LOCATION NOT OTHERWISE SPECIFIED
FLUID CONVEYANCE TYPE AND SIZE FOR WHICH DESIGNED	1/4 IN. OD TUBE IN
CONNECTION STYLE	FLARED LOCATION NOT OTHERWISE SPECIFIED
BOLT HOLE FLATS SERRATIONS	PROVIDED
STYLE DESIGNATOR	1 FLUID CONNECTION
FLUID CONNECTION QUANTITY	1 LOCATION NOT OTHERWISE SPECIFIED
BOLT HOLE DIAMETER	0.438 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 4

AS5164Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

AN778-4JReference document

Same NSN cross-reference

Reference document — Secondary reference

AS4875/1Reference document

Same NSN cross-reference

Reference document — Secondary reference

MIL-F-5509Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is AN778-4C?

AN778-4C is a CONNECTOR,MULTIPLE,FLUID PRESSUR.

What parts can replace AN778-4C?

There are 4 known substitutes for AN778-4C: AS5164, AN778-4J, AS4875/1 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for AN778-4C?

AN778-4C is cataloged in the U.S. Government catalog under NSN 4730-00-803-1680. This indicates validated use in U.S. government and defense supply chains.

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AN778-4C — CONNECTOR,MULTIPLE,FLUID PRESSUR

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