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AN778-8 — CONNECTOR,MULTIPLE,FLUID PRESSUR

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

AN778-8: CONNECTOR,MULTIPLE,FLUID PRESSUR.

CONNECTOR,MULTIPLE,FLUID PRESSUR. Key specifications include thickness: 1.125 INCHES NOMINAL IN, thread_size: 3/4 IN.-16 SINGLE CONNECTION IN, thread_class: 3A SINGLE CONNECTION A, overall_width: 1.125 INCHES MINIMUM IN, overall_length: 2.500 INCHES MINIMUM IN, furnished_items: SEAT SINGLE CONNECTION. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-278-5826, 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
AN778-8
NSN: 4730-00-278-5826
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 34724 — ACRA AEROSPACE, LLC (USA)
SPECIFICATIONS
thickness1.125 INCHES NOMINAL IN
thread_size3/4 IN.-16 SINGLE CONNECTION IN
thread_class3A SINGLE CONNECTION A
overall_width1.125 INCHES MINIMUM IN
overall_length2.500 INCHES MINIMUM IN
furnished_itemsSEAT SINGLE CONNECTION
connection_styleFLARED SINGLE CONNECTION
special_featuresWEAPON SYSTEM ESSENTIAL
style_designator1 FLUID CONNECTION
thread_directionRIGHT-HAND SINGLE CONNECTION
thread_provisionTHREADED SINGLE CONNECTION
seat_angle_in_deg37.0 SINGLE CONNECTION
NSN4730-00-278-5826
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AN778-8 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
DEG BETWEEN OUTLETS: 45.0
•
BOLT HOLE FLUID PASSAGE: PROVIDED
•
SEAT ANGLE IN DEG: 37.0 SINGLE CONNECTION
•
THREAD PROVISION: THREADED SINGLE CONNECTION
•
FLUID CONVEYANCE TYPE AND SIZE FOR WHICH DESIGNED: 1/2 IN. OD TUBE IN
•
CONNECTION STYLE: FLARED SINGLE CONNECTION
•
BOLT HOLE FLATS SERRATIONS: PROVIDED
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS
DEG BETWEEN OUTLETS45.0
BOLT HOLE FLUID PASSAGEPROVIDED
SEAT ANGLE IN DEG37.0 SINGLE CONNECTION
THREAD PROVISIONTHREADED SINGLE CONNECTION
FLUID CONVEYANCE TYPE AND SIZE FOR WHICH DESIGNED1/2 IN. OD TUBE IN
CONNECTION STYLEFLARED SINGLE CONNECTION
BOLT HOLE FLATS SERRATIONSPROVIDED
CRITICALITY CODE JUSTIFICATIONFEAT
STYLE DESIGNATOR1 FLUID CONNECTION
FLUID CONNECTION QUANTITY1 SINGLE CONNECTION
SUBSTITUTES & CROSS-REFERENCES 4
AS5164-08Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS5164Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS4875/1Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS4875/1Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 AN778-8?
AN778-8 is a CONNECTOR,MULTIPLE,FLUID PRESSUR.
What parts can replace AN778-8?
There are 4 known substitutes for AN778-8: AS5164-08, AS5164, AS4875/1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN778-8?
AN778-8 is cataloged in the U.S. Government catalog under NSN 4730-00-278-5826. This indicates validated use in U.S. government and defense supply chains.
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