PartsTable
Technical Data Sheet
676-20D ✓ 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,TUBE TO HOSE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3B FIRST END, connection_type: THREADED INTERNAL TUBE FIRST END, connection_style: GRIPPING NIPPLE (NOSE) SECOND END, special_features: GRUMMAN AEROSPACE CORP A10 AIRCRAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-585-6210, 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
676-20D
NSN: 4730-00-585-6210
FSC: 4730
CAGE: 98441 — PARKER HANNIFIN CORP DBA PNEUTRONICS DIV STRATOFLEX PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
seat_angle37.0 DEGREES FIRST END
thread_class3B FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST END
connection_styleGRIPPING NIPPLE (NOSE) SECOND END
special_featuresGRUMMAN AEROSPACE CORP A10 AIRCRAFT
surface_treatmentANODIZE INSIDE
nominal_thread_size1.625 INCHES FIRST END IN
nominal_overall_length3.281 INCHES IN
end_item_identificationUSED IN AIRCRAFT FULL AND OIL SYSTEM OF SIKORSKY CARGO TRANSPORT HELICOPTER
thread_quantity_per_inch12 FIRST END
thread_series_designatorUNIFIED NATIONAL JOINT (UNJ) FIRST END
NSN4730-00-585-6210
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 676-20D · 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: 37.0 DEGREES FIRST END
FURNISHED ITEMS AND QUANTITY: 1 HOSE COUPLING NUT
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED: 1.438 INCHES SECOND END IN
CONNECTION TYPE: THREADED EXTERNAL HOSE GRIPPING SECOND END
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE: 1.625 INCHES FIRST END IN
SPECIFICATION/STANDARD DATA: 81349-MIL-F-83798 GOVERNMENT SPECIFICATION
SURFACE TREATMENT: ANODIZE OUTSIDE
TECHNICAL CHARACTERISTICS (FLIS)
SEAT ANGLE37.0 DEGREES FIRST END
FURNISHED ITEMS AND QUANTITY1 HOSE COUPLING NUT
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED1.438 INCHES SECOND END IN
CONNECTION TYPETHREADED EXTERNAL HOSE GRIPPING SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE1.625 INCHES FIRST END IN
SPECIFICATION/STANDARD DATA81349-MIL-F-83798 GOVERNMENT SPECIFICATION
SURFACE TREATMENTANODIZE OUTSIDE
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) FIRST END
THREAD QUANTITY PER INCH12 FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
816-12DInterchangeable
interchangeable cross-reference
interchangeable
676-12DInterchangeable
interchangeable cross-reference
interchangeable
136-1000-16DInterchangeable
interchangeable cross-reference
interchangeable
M83798/1-16Interchangeable
interchangeable cross-reference
interchangeable
M83798/1-3Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-83798Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 676-20D?
676-20D is a ADAPTER,STRAIGHT,TUBE TO HOSE.
What parts can replace 676-20D?
There are 25 known substitutes for 676-20D: 816-12D, 676-12D, 136-1000-16D and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 676-20D?
676-20D is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-585-6210. This indicates validated use in U.S. government and defense supply chains.
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