PartsTable
Technical Data Sheet
13WS ✓ 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 TRAP,AIR is a the manufacturer industrial component. Key specifications include material: IRON CAST OR STEEL BODY, overall_width: 4.375 INCHES NOMINAL IN, overall_height: 5.062 INCHES NOMINAL IN, thread_direction: RIGHT-HAND INLET, operating_pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, outlet_thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-843-8808, 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
13WS
NSN: 4730-00-843-8808
FSC: 4730
CAGE: 53059 — SPIRAX SARCO INC DBA SPIRAX SARCO (USA)
SPECIFICATIONS
materialIRON CAST OR STEEL BODY
overall_width4.375 INCHES NOMINAL IN
overall_height5.062 INCHES NOMINAL IN
thread_directionRIGHT-HAND INLET
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
outlet_thread_directionRIGHT-HAND
inlet_thread_quantity_per_inch18
inlet_thread_series_designatorNPT
outlet_thread_quantity_per_inch14
outlet_thread_series_designatorNPT
inlet_connection_nominal_pipe_size0.375 INCHES IN
inlet_connection_type_and_quantity1 THREADED INTERNAL PIPE
NSN4730-00-843-8808
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 13WS · 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
INLET THREAD QUANTITY PER INCH: 18
OUTLET CONNECTION NOMINAL PIPE SIZE: 0.750 INCHES IN
OUTLET THREAD SERIES DESIGNATOR: NPT
OUTLET THREAD DIRECTION: RIGHT-HAND
INLET CONNECTION TYPE AND QUANTITY: 1 THREADED INTERNAL PIPE
OUTLET CONNECTION TYPE AND QUANTITY: 1 THREADED INTERNAL PIPE
TECHNICAL CHARACTERISTICS (FLIS)
INLET THREAD QUANTITY PER INCH18
OUTLET CONNECTION NOMINAL PIPE SIZE0.750 INCHES IN
OUTLET THREAD SERIES DESIGNATORNPT
OUTLET THREAD DIRECTIONRIGHT-HAND
INLET CONNECTION TYPE AND QUANTITY1 THREADED INTERNAL PIPE
OVERALL WIDTH4.375 INCHES NOMINAL IN
OUTLET CONNECTION TYPE AND QUANTITY1 THREADED INTERNAL PIPE
OVERALL HEIGHT5.062 INCHES NOMINAL IN
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
THREAD DIRECTIONRIGHT-HAND INLET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
33446Interchangeable
interchangeable cross-reference
interchangeable
88-19700Interchangeable
interchangeable cross-reference
interchangeable
11226-RInterchangeable
interchangeable cross-reference
interchangeable
H40-CInterchangeable
interchangeable cross-reference
interchangeable
81203-210Interchangeable
interchangeable cross-reference
interchangeable
69-843Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 13WS?
13WS is a TRAP,AIR.
What parts can replace 13WS?
There are 15 known substitutes for 13WS: 33446, 88-19700, 11226-R and 12 more. Substitute compatibility should be verified for your specific system.
Is 13WS still available?
13WS is currently cancelled.
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