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PartsTable / COMPONENT / AN776-4
AN776-4 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

CONNECTOR,MULTIPLE,FLUID PRESSUR. Key specifications include material: STEEL, 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: 1.531 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-9757, 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
AN776-4
NSN: 4730-00-277-9757
FSC: 4730
CAGE: R1120 — SATAIR A/S (DNK)
SPECIFICATIONS
materialSTEEL
thickness0.750 INCHES NOMINAL IN
thread_size7/16 IN-20 LOCATION NOT OTHERWISE SPECIFIED IN
thread_class3A LOCATION NOT OTHERWISE SPECIFIED A
overall_width0.813 INCHES NOMINAL IN
overall_length1.531 INCHES NOMINAL IN
furnished_itemsSEAT LOCATION NOT OTHERWISE SPECIFIED
connection_styleFLARED LOCATION NOT OTHERWISE SPECIFIED
style_designator1 FLUID CONNECTION
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
thread_provisionTHREADED LOCATION NOT OTHERWISE SPECIFIED
seat_angle_in_deg37.0 LOCATION NOT OTHERWISE SPECIFIED
NSN4730-00-277-9757
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AN776-4 · 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
•
THREAD PROVISION: THREADED LOCATION NOT OTHERWISE SPECIFIED
•
THICKNESS: 0.750 INCHES NOMINAL IN
•
BOLT HOLE FLUID PASSAGE: PROVIDED
•
SCREW THREAD SERIES DESIGNATOR: UNF LOCATION NOT OTHERWISE SPECIFIED
•
FURNISHED ITEMS: SEAT LOCATION NOT OTHERWISE SPECIFIED
•
THREAD SIZE: 7/16 IN-20 LOCATION NOT OTHERWISE SPECIFIED IN
•
CONNECTION STYLE: FLARED LOCATION NOT OTHERWISE SPECIFIED
•
BOLT HOLE FLATS SERRATIONS: PROVIDED
TECHNICAL CHARACTERISTICS (FLIS)
THREAD PROVISIONTHREADED LOCATION NOT OTHERWISE SPECIFIED
THICKNESS0.750 INCHES NOMINAL IN
BOLT HOLE FLUID PASSAGEPROVIDED
SCREW THREAD SERIES DESIGNATORUNF LOCATION NOT OTHERWISE SPECIFIED
FURNISHED ITEMSSEAT LOCATION NOT OTHERWISE SPECIFIED
THREAD SIZE7/16 IN-20 LOCATION NOT OTHERWISE SPECIFIED IN
CONNECTION STYLEFLARED LOCATION NOT OTHERWISE SPECIFIED
BOLT HOLE FLATS SERRATIONSPROVIDED
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
THREAD CLASS3A LOCATION NOT OTHERWISE SPECIFIED A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
AN776-4JInterchangeable
interchangeable cross-reference
interchangeable
AS5162J04Interchangeable
interchangeable cross-reference
interchangeable
AS4875/1Interchangeable
interchangeable cross-reference
interchangeable
AS5162Interchangeable
interchangeable cross-reference
interchangeable
6026-91016RInterchangeable
interchangeable cross-reference
interchangeable
AS5162-06Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN776-4?
AN776-4 is a CONNECTOR,MULTIPLE,FLUID PRESSUR.
What parts can replace AN776-4?
There are 14 known substitutes for AN776-4: AN776-4J, AS5162J04, AS4875/1 and 11 more. Substitute compatibility should be verified for your specific system.
Is AN776-4 still available?
AN776-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026