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ER816-4-4 — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

ER816-4-4: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1137 OVERALL, seat_angle: 12.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) SECOND END, surface_treatment: CADMIUM INSIDE. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-970-4291, 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
ER816-4-4
NSN: 4730-00-970-4291
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 01276 — DANFOSS POWER SOLUTIONS II, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1137 OVERALL
seat_angle12.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) SECOND END
surface_treatmentCADMIUM INSIDE
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.250 INCHES SECOND END IN
nominal_overall_length1.250 INCHES IN
thread_series_designatorANPT SECOND END
nominal_pipe_size_accommodated0.250 INCHES SECOND END IN
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-970-4291
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ER816-4-4 · 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES SECOND END IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE INSIDE
•
CONNECTION STYLE: FLARELESS (TUBE) FIRST END
•
NOMINAL OVERALL LENGTH: 1.250 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES SECOND END IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE INSIDE
CONNECTION STYLEFLARELESS (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
NOMINAL OVERALL LENGTH1.250 INCHES IN
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ER816-4-4?
ER816-4-4 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What is the NSN for ER816-4-4?
ER816-4-4 is cataloged in the U.S. Government catalog under NSN 4730-00-970-4291. This indicates validated use in U.S. government and defense supply chains.
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