PartsTable
Technical Data Sheet
380-3-4 ✓ Verified by PartsTable
Lindy · 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 SWITCH,REED is a Lindy industrial component. Key specifications include material: STEEL COMP 1035 OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.500 INCHES NOMINAL ALL ENDS IN, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-253-4429, 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
380-3-4
NSN: 4730-00-253-4429
FSC: 4730
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 1035 OVERALL
flow_angle90.0 DEGREES
leg_length1.500 INCHES NOMINAL ALL ENDS IN
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.750 INCHES ALL ENDS IN
maximum_operating_temp37.8 CELSIUS SINGLE RESPONSE DEGC
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
thread_series_designatorNPT ALL ENDS
nondefinitive_spec/std_data1 TYPE AND 2 CLASS
nominal_pipe_size_accommodated0.750 INCHES ALL ENDS IN
NSN4730-00-253-4429
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 380-3-4 · Lindy ⚠ 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 THREAD SIZE: 0.750 INCHES ALL ENDS IN
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 2 CLASS
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: STEEL COMP 1035 OVERALL
FLOW ANGLE: 90.0 DEGREES
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SINGLE RESPONSE
THREAD SERIES DESIGNATOR: NPT ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2 CLASS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1035 OVERALL
FLOW ANGLE90.0 DEGREES
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES ALL ENDS IN
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
MS14303-1E16Interchangeable
interchangeable cross-reference
interchangeable
MILP18174TYPE1Interchangeable
interchangeable cross-reference
interchangeable
ASME-B16.11Interchangeable
interchangeable cross-reference
interchangeable
MS14303Interchangeable
interchangeable cross-reference
interchangeable
MS14303-1J08Interchangeable
interchangeable cross-reference
interchangeable
MS14303-4AQVInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 380-3-4?
380-3-4 is a SWITCH,REED manufactured by Lindy.
What parts can replace 380-3-4?
There are 17 known substitutes for 380-3-4: MS14303-1E16, MILP18174TYPE1, ASME-B16.11 and 14 more. Substitute compatibility should be verified for your specific system.
Is 380-3-4 still available?
380-3-4 is currently cancelled.
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