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Technical Data Sheet

211 1/2 BODY — TRAP,AIR

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

211 1/2 BODY: TRAP,AIR.

The TRAP,AIR is a the manufacturer industrial component. Key specifications include material: STEEL VALVE, operating_pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, end_item_identification: STRATEGIC AIRLIFT CONVERSION SHIPS CLASS, inlet_connection_nominal_pipe_size: 0.500 INCHES IN, inlet_connection_type_and_quantity: 1 THREADED INTERNAL PIPE, outlet_connection_nominal_pipe_size: 0.500 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-429-3355, 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
211 1/2 BODY
NSN: 4730-01-429-3355
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 03933 — ARMSTRONG INTERNATIONAL INC DBA ARMSTRONG MACHINE WORKS (USA)
SPECIFICATIONS
materialSTEEL VALVE
operating_pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
end_item_identificationSTRATEGIC AIRLIFT CONVERSION SHIPS CLASS
inlet_connection_nominal_pipe_size0.500 INCHES IN
inlet_connection_type_and_quantity1 THREADED INTERNAL PIPE
outlet_connection_nominal_pipe_size0.500 INCHES IN
outlet_connection_type_and_quantity1 THREADED INTERNAL PIPE
NSN4730-01-429-3355
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 211 1/2 BODY · 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
•
OUTLET CONNECTION TYPE AND QUANTITY: 1 THREADED INTERNAL PIPE
•
INLET CONNECTION NOMINAL PIPE SIZE: 0.500 INCHES IN
•
OUTLET CONNECTION NOMINAL PIPE SIZE: 0.500 INCHES IN
•
OPERATING PRESSURE: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
INLET CONNECTION TYPE AND QUANTITY: 1 THREADED INTERNAL PIPE
•
MATERIAL: IRON CAST BODY
TECHNICAL CHARACTERISTICS
OUTLET CONNECTION TYPE AND QUANTITY1 THREADED INTERNAL PIPE
INLET CONNECTION NOMINAL PIPE SIZE0.500 INCHES IN
OUTLET CONNECTION NOMINAL PIPE SIZE0.500 INCHES IN
OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
INLET CONNECTION TYPE AND QUANTITY1 THREADED INTERNAL PIPE
END ITEM IDENTIFICATIONSTRATEGIC AIRLIFT CONVERSION SHIPS CLASS
MATERIALIRON CAST BODY
MATERIALSTEEL VALVE
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 1
SM-126-D NO-3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 211 1/2 BODY?
211 1/2 BODY is a TRAP,AIR.
What parts can replace 211 1/2 BODY?
There is 1 known substitute for 211 1/2 BODY: SM-126-D NO-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 211 1/2 BODY?
211 1/2 BODY is cataloged in the U.S. Government catalog under NSN 4730-01-429-3355. This indicates validated use in U.S. government and defense supply chains.
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