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Technical Data Sheet
4081661 ✓ 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 ELBOW,PIPE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, flow_angle: 90.0 DEGREES, leg_length: 0.719 INCHES NOMINAL FIRST END IN, connection_type: THREADED INTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, operating_pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-8261, 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
4081661
NSN: 4730-00-278-8261
FSC: 4730
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flow_angle90.0 DEGREES
leg_length0.719 INCHES NOMINAL FIRST END IN
connection_typeTHREADED INTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
operating_pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.125 INCHES SECOND END IN
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_series_designatorNPTF ALL ENDS
nondefinitive_spec/std_data13 FIGURE
specification/standard_data81343-J530 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN4730-00-278-8261
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4081661 · 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
NONDEFINITIVE SPEC/STD DATA: 13 FIGURE
OPERATING PRESSURE: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD SERIES DESIGNATOR: NPTF ALL ENDS
MATERIAL: COPPER ALLOY OVERALL
LEG LENGTH: 0.906 INCHES NOMINAL SECOND END IN
SPECIFICATION/STANDARD DATA: 81343-J530 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA13 FIGURE
OPERATING PRESSURE1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD SERIES DESIGNATORNPTF ALL ENDS
MATERIALCOPPER ALLOY OVERALL
LEG LENGTH0.906 INCHES NOMINAL SECOND END IN
SPECIFICATION/STANDARD DATA81343-J530 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
LEG LENGTH0.719 INCHES NOMINAL FIRST END IN
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
D1154 FIND 13Interchangeable
interchangeable cross-reference
interchangeable
A3404Interchangeable
interchangeable cross-reference
interchangeable
A3404-1Interchangeable
interchangeable cross-reference
interchangeable
J530Interchangeable
Same NIIN cross-reference
interchangeable
2202P-4-2Interchangeable
Same NIIN cross-reference
interchangeable
2-4 130239BInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4081661?
4081661 is a ELBOW,PIPE.
What parts can replace 4081661?
There are 9 known substitutes for 4081661: D1154 FIND 13, A3404, A3404-1 and 6 more. Substitute compatibility should be verified for your specific system.
Is 4081661 still available?
4081661 is currently cancelled.
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