PartsTable
Technical Data Sheet
3LM2 ✓ 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 TO TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, flow_angle: 90.0 DEGREES, leg_length: 0.688 INCHES NOMINAL FIRST END IN, seat_angle: 20.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL PIPE SECOND 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 4730-00-793-2800, 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
3LM2
NSN: 4730-00-793-2800
FSC: 4730
CAGE: 28968 — CIRCOR INSTRUMENTATION TECHNOLOGIES, INC. DBA HOKE GYROLOK (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flow_angle90.0 DEGREES
leg_length0.688 INCHES NOMINAL FIRST END IN
seat_angle20.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_styleFLARELESS (TUBE) FIRST END
nominal_thread_size0.375 INCHES FIRST END IN
thread_quantity_per_inch20 FIRST END
thread_series_designatorUN FIRST END
furnished_items_and_quantity1 SHORT COUPLING NUT AND 1 COUPLING SLEEVE
nominal_outside_diameter_tube_accommodated0.188 INCHES FIRST END IN
NSN4730-00-793-2800
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3LM2 · 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
LEG LENGTH: 0.750 INCHES NOMINAL SECOND END IN
MATERIAL: COPPER ALLOY OVERALL
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
THREAD QUANTITY PER INCH: 20 FIRST END
NOMINAL THREAD SIZE: 0.375 INCHES FIRST END IN
THREAD SERIES DESIGNATOR: UN FIRST END
FURNISHED ITEMS AND QUANTITY: 1 SHORT COUPLING NUT AND 1 COUPLING SLEEVE
TECHNICAL CHARACTERISTICS (FLIS)
LEG LENGTH0.750 INCHES NOMINAL SECOND END IN
MATERIALCOPPER ALLOY OVERALL
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
THREAD QUANTITY PER INCH20 FIRST END
NOMINAL THREAD SIZE0.375 INCHES FIRST END IN
THREAD SERIES DESIGNATORUN FIRST END
LEG LENGTH0.688 INCHES NOMINAL FIRST END IN
FURNISHED ITEMS AND QUANTITY1 SHORT COUPLING NUT AND 1 COUPLING SLEEVE
FLOW ANGLE90.0 DEGREES
SEAT ANGLE20.0 DEGREES FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
C5Interchangeable
interchangeable cross-reference
interchangeable
S4663Interchangeable
interchangeable cross-reference
interchangeable
32X10Interchangeable
interchangeable cross-reference
interchangeable
AA50179-I A 2Interchangeable
interchangeable cross-reference
interchangeable
AP200-2-1/2Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-43940Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3LM2?
3LM2 is a ELBOW,PIPE TO TUBE.
What parts can replace 3LM2?
There are 25 known substitutes for 3LM2: C5, S4663, 32X10 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3LM2?
3LM2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-793-2800. This indicates validated use in U.S. government and defense supply chains.
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