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43685K66 — UNION,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

43685K66: UNION,PIPE.

The UNION,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, special_features: ITEM:LOW-PRESSURE SOCKET WELD 316 STAINLESS STEEL UNTHREADED FIITING, 2 INCH PIPE SIZE UNION. IN, style_designator: RIGID, LONG CENTER WRENCHING FACILITY, operating_pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, union_joint_location: FIRST END AND SECOND END.

This part is cataloged in the U.S. Government catalog under NSN 4730-01-630-5280, 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
43685K66
NSN: 4730-01-630-5280
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 9S781 — MERIT BRASS CO (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
special_featuresITEM:LOW-PRESSURE SOCKET WELD 316 STAINLESS STEEL UNTHREADED FIITING, 2 INCH PIPE SIZE UNION. IN
style_designatorRIGID, LONG CENTER WRENCHING FACILITY
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
union_joint_locationFIRST END AND SECOND END
part_name_assigned_by_controlling_agencyUNION, 2 INCH SOCKET IN
center_to_center_nominal_distance_between_bolt_holes_along_width2.00 INCHES ALL ENDS IN
NSN4730-01-630-5280
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 43685K66 · 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
•
UNION JOINT LOCATION: FIRST END AND SECOND END
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: RIGID, LONG CENTER WRENCHING FACILITY
•
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 2.00 INCHES ALL ENDS IN
•
MATERIAL: STEEL COMP 316 OVERALL
TECHNICAL CHARACTERISTICS
UNION JOINT LOCATIONFIRST END AND SECOND END
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORRIGID, LONG CENTER WRENCHING FACILITY
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH2.00 INCHES ALL ENDS IN
SPECIAL FEATURESITEM:LOW-PRESSURE SOCKET WELD 316 STAINLESS STEEL UNTHREADED FIITING, 2 INCH PIPE SIZE UNION. IN
PART NAME ASSIGNED BY CONTROLLING AGENCYUNION, 2 INCH SOCKET IN
MATERIALSTEEL COMP 316 OVERALL
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 43685K66?
43685K66 is a UNION,PIPE.
What is the NSN for 43685K66?
43685K66 is cataloged in the U.S. Government catalog under NSN 4730-01-630-5280. This indicates validated use in U.S. government and defense supply chains.
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