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Technical Data Sheet
PartsTable / COMPONENT / AN776-16D
AN776-16D ✓ 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: ALUMINUM ALLOY, thickness: 2.125 INCHES NOMINAL IN, thread_size: 1-5/16 IN.-12 LOCATION NOT OTHERWISE SPECIFIED IN, thread_class: 3A LOCATION NOT OTHERWISE SPECIFIED A, overall_width: 2.063 INCHES NOMINAL IN, overall_length: 3.406 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-9766, 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
AN776-16D
NSN: 4730-00-277-9766
FSC: 4730
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
thickness2.125 INCHES NOMINAL IN
thread_size1-5/16 IN.-12 LOCATION NOT OTHERWISE SPECIFIED IN
thread_class3A LOCATION NOT OTHERWISE SPECIFIED A
overall_width2.063 INCHES NOMINAL IN
overall_length3.406 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
NSN4730-00-277-9766
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AN776-16D · 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
•
SURFACE TREATMENT: ANODIZE
•
FLUID CONNECTION QUANTITY: 1 LOCATION NOT OTHERWISE SPECIFIED
•
THICKNESS: 2.125 INCHES NOMINAL IN
•
CONNECTION STYLE: FLARED LOCATION NOT OTHERWISE SPECIFIED
•
BOLT HOLE FLUID PASSAGE: PROVIDED
•
FURNISHED ITEMS: SEAT LOCATION NOT OTHERWISE SPECIFIED
•
BOLT HOLE DIAMETER: 1.312 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 88044-AN776 GOVERNMENT STANDARD AND 81343AS4875/1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTANODIZE
FLUID CONNECTION QUANTITY1 LOCATION NOT OTHERWISE SPECIFIED
THICKNESS2.125 INCHES NOMINAL IN
CONNECTION STYLEFLARED LOCATION NOT OTHERWISE SPECIFIED
BOLT HOLE FLUID PASSAGEPROVIDED
FURNISHED ITEMSSEAT LOCATION NOT OTHERWISE SPECIFIED
BOLT HOLE DIAMETER1.312 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA88044-AN776 GOVERNMENT STANDARD AND 81343AS4875/1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
STYLE DESIGNATOR1 FLUID CONNECTION
SCREW THREAD SERIES DESIGNATORUN LOCATION NOT OTHERWISE SPECIFIED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
AN776-4JInterchangeable
interchangeable cross-reference
interchangeable
AS5162J04Interchangeable
interchangeable cross-reference
interchangeable
AS4875/1Interchangeable
interchangeable cross-reference
interchangeable
AN776-4Interchangeable
interchangeable cross-reference
interchangeable
AS5162Interchangeable
interchangeable cross-reference
interchangeable
6026-91016RInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN776-16D?
AN776-16D is a CONNECTOR,MULTIPLE,FLUID PRESSUR.
What parts can replace AN776-16D?
There are 14 known substitutes for AN776-16D: AN776-4J, AS5162J04, AS4875/1 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN776-16D?
AN776-16D is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-9766. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026