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D21719 — PARTS KIT,STEAM TRAP

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

D21719: PARTS KIT,STEAM TRAP.

The PARTS KIT,STEAM TRAP is a the manufacturer industrial component. Key specifications include material: STEEL BODY, body_design: STRAIGHT PATTERN, design_type: PULSATING, furnished_items: STRAINER, inlet_connection_type: SOCKET WELDING, outlet_connection_type: SOCKET WELDING. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-953-9500, 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
D21719
NSN: 4730-00-953-9500
NIINs: 009539500, 010539209, 012587324
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 66850 — PENTAIR VALVES & CONTROLS US LP DIV PENTAIR FLOW CONTROL (USA)
SPECIFICATIONS
materialSTEEL BODY
body_designSTRAIGHT PATTERN
design_typePULSATING
furnished_itemsSTRAINER
component_quantity6
inlet_connection_typeSOCKET WELDING
outlet_connection_typeSOCKET WELDING
maximum_steam_working_pressureERR-060
nonsupply_items_and_quantitiesPISTON VALVE 1;CONTROL CYLINDER 1;VALVE SEAT 1;LOCK NUT 1;CAP GASKET 1;LOCK PIN 1
rated_capacity_at_maximum_working_pressure3750.000 POUNDS OF WATER PER HOUR LBS
NSN4730-00-953-9500
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: D21719 · 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
•
DESIGN TYPE: PULSATING
•
INLET CONNECTION TYPE: SOCKET WELDING
•
MAXIMUM STEAM WORKING PRESSURE: ERR-060
•
BODY DESIGN: STRAIGHT PATTERN
•
RATED CAPACITY AT MAXIMUM WORKING PRESSURE: 3750.000 POUNDS OF WATER PER HOUR LBS
•
MATERIAL: IRON CAST BODY
•
FURNISHED ITEMS: STRAINER
TECHNICAL CHARACTERISTICS
DESIGN TYPEPULSATING
INLET CONNECTION TYPESOCKET WELDING
MAXIMUM STEAM WORKING PRESSUREERR-060
BODY DESIGNSTRAIGHT PATTERN
RATED CAPACITY AT MAXIMUM WORKING PRESSURE3750.000 POUNDS OF WATER PER HOUR LBS
MATERIALIRON CAST BODY
MATERIALSTEEL CORROSION RESISTING WORKING PARTS
FURNISHED ITEMSSTRAINER
OUTLET CONNECTION TYPESOCKET WELDING
SUBSTITUTES & CROSS-REFERENCES 3
515BSWRReference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
D21551Reference document
Same NSN cross-reference
Reference document — Secondary reference
515BSW3-4INReference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D21719?
D21719 is a PARTS KIT,STEAM TRAP.
What parts can replace D21719?
There are 3 known substitutes for D21719: 515BSWR, D21551, 515BSW3-4IN. Substitute compatibility should be verified for your specific system.
What is the NSN for D21719?
D21719 is cataloged in the U.S. Government catalog under NSN 4730-00-953-9500. This indicates validated use in U.S. government and defense supply chains.
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