PartsTable
Technical Data Sheet
ER822-4 ✓ 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

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flow_angle: 90.0 DEGREES, leg_length: 0.789 INCHES NOMINAL SECOND END IN, seat_angle: 12.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-102-4862, 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
ER822-4
NSN: 4730-01-102-4862
FSC: 4730
CAGE: 92003 — PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flow_angle90.0 DEGREES
leg_length0.789 INCHES NOMINAL SECOND END IN
seat_angle12.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_stylePLAIN (PIPE) SECOND END
surface_treatmentCADMIUM AND CHROMATE OVERALL
nominal_thread_size0.438 INCHES FIRST END IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
specification/standard_data81343-AS897 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
nominal_outside_diameter_tube_accommodated0.250 INCHES FIRST END IN
NSN4730-01-102-4862
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ER822-4 · 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
SEAT ANGLE: 12.0 DEGREES FIRST END
THREAD CLASS: 3A FIRST END A
LEG LENGTH: 0.789 INCHES NOMINAL SECOND END IN
NOMINAL THREAD SIZE: 0.125 INCHES SECOND END IN
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
CONNECTION STYLE: PLAIN (PIPE) SECOND END
SPECIFICATION/STANDARD DATA: 81343-AS897 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
SEAT ANGLE12.0 DEGREES FIRST END
THREAD CLASS3A FIRST END A
LEG LENGTH0.789 INCHES NOMINAL SECOND END IN
NOMINAL THREAD SIZE0.125 INCHES SECOND END IN
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION STYLEPLAIN (PIPE) SECOND END
SPECIFICATION/STANDARD DATA81343-AS897 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
LEG LENGTH0.824 INCHES NOMINAL FIRST END IN
MATERIALSTEEL OVERALL
CONNECTION STYLEFLARELESS (TUBE) FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
AS897Interchangeable
interchangeable cross-reference
interchangeable
ER822D04Interchangeable
interchangeable cross-reference
interchangeable
AS18280Interchangeable
interchangeable cross-reference
interchangeable
AS896-04-02Interchangeable
interchangeable cross-reference
interchangeable
AS896Interchangeable
interchangeable cross-reference
interchangeable
DB0N18D4A2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ER822-4?
ER822-4 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace ER822-4?
There are 22 known substitutes for ER822-4: AS897, ER822D04, AS18280 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ER822-4?
ER822-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-102-4862. This indicates validated use in U.S. government and defense supply chains.
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