PartsTable
Technical Data Sheet
A477-1 ✓ 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

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, body_width: 0.310 INCHES MAXIMUM IN, leg_length: 1.047 INCHES NOMINAL THIRD END IN, seat_angle: 45.0 DEGREES FIRST END, body_height: 0.185 INCHES MAXIMUM IN, body_length: 0.796 INCHES MAXIMUM 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 4730-00-816-7768, 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
A477-1
NSN: 4730-00-816-7768
FSC: 4730
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
body_width0.310 INCHES MAXIMUM IN
leg_length1.047 INCHES NOMINAL THIRD END IN
seat_angle45.0 DEGREES FIRST END
body_height0.185 INCHES MAXIMUM IN
body_length0.796 INCHES MAXIMUM IN
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) FIRST END
special_featuresDESIGN FUNCTION AND QUANTITY - 6 BUFFER NONINVERTING AND6 DRIVER NONINVERTING
features_providedHERMETICALLY SEALED
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
NSN4730-00-816-7768
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: A477-1 · 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
LEG LENGTH: 0.938 INCHES NOMINAL FIRST END IN
CONNECTION STYLE: FLARED (TUBE) FIRST END
THREAD CLASS: 2A FIRST END A
THREAD SERIES DESIGNATOR: UNF FIRST END
NOMINAL THREAD SIZE: 0.438 INCHES FIRST END IN
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
NOMINAL PIPE SIZE ACCOMMODATED: 0.375 INCHES THIRD END IN
TECHNICAL CHARACTERISTICS (FLIS)
LEG LENGTH0.938 INCHES NOMINAL FIRST END IN
CONNECTION STYLEFLARED (TUBE) FIRST END
THREAD CLASS2A FIRST END A
THREAD SERIES DESIGNATORUNF FIRST END
NOMINAL THREAD SIZE0.438 INCHES FIRST END IN
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES THIRD END IN
THREAD SERIES DESIGNATORNPTF THIRD END
SEAT ANGLE45.0 DEGREES FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
SN7407J-00Interchangeable
interchangeable cross-reference
interchangeable
562863-000Interchangeable
interchangeable cross-reference
interchangeable
70950118-032Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A477-1?
A477-1 is a MICROCIRCUIT,DIGITAL.
What parts can replace A477-1?
There are 3 known substitutes for A477-1: SN7407J-00, 562863-000, 70950118-032. Substitute compatibility should be verified for your specific system.
What is the NSN for A477-1?
A477-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-816-7768. This indicates validated use in U.S. government and defense supply chains.
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