PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D20721Trap,steam

Pentair Valves & Controls Us Lp Div Pentair Flow Control · NSN 4730-00-032-1522 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-032-1522 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-032-1522. Primary manufacturer part number: D20721.
Features
  • Trap,steam — FSC 4730
  • Inlet Connection Type: FLANGED
  • Material: STEEL BODY
  • Flange Facing Type: RAISED LOCATION NOT OTHERWISE SPECIFIED
  • Flange Bolt Circle Diameter: 3.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Rated Capacity at Maximum Working Pressure: 5175.000 POUNDS OF WATER PER HOUR LBS
  • Material: STEEL CORROSION RESISTING WORKING PARTS
  • Outlet Connection Type: FLANGED
Applications
  • Applications requiring Steel Body construction
General Description

The Trap,steam, cataloged under National Stock Number 4730-00-032-1522, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Pentair Valves & Controls Us Lp Div Pentair Flow Control. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-032-1522
Primary Part NumberD20721
Item NameTrap,steam
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerPentair Valves & Controls Us Lp Div Pentair Flow Control
StatusACTIVE
Inlet Connection TypeFLANGED
MaterialSTEEL BODY
Flange Facing TypeRAISED LOCATION NOT OTHERWISE SPECIFIED
Flange Bolt Circle Diameter3.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Rated Capacity at Maximum Working Pressure5175.000 POUNDS OF WATER PER HOUR LBS
MaterialSTEEL CORROSION RESISTING WORKING PARTS
Outlet Connection TypeFLANGED
Flange Bolt Hole Diameter0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Flange Bolt Hole Quantity4 LOCATION NOT OTHERWISE SPECIFIED
Flange Outside Diameter4.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Design TypePULSATING
Flange Thickness0.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Body DesignSTRAIGHT PATTERN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2530-00-293-4307 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
4820-01-021-275784-4S 3/4X1-1/4-50 INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
Cross-Reference Index
Part NumberManufacturer
D20721 Pentair Valves & Controls Us Lp Div Pentair Flow Control (USA)
84S Pentair Valves & Controls Us Lp Div Pentair Flow Control (USA)
D20840 Pentair Valves & Controls Us Lp Div Pentair Flow Control (USA)
D20613 Pentair Valves & Controls Us Lp Div Pentair Flow Control (USA)
D20514 Pentair Valves & Controls Us Lp Div Pentair Flow Control (USA)
Related Parts
2530-00-293-4307INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
4820-01-021-2757INTERCHANGEABLE
VALVE,SAFETY RELIEF
84-4S 3/4X1-1/4-50

Frequently Asked Questions

What is NSN 4730-00-032-1522?

NSN 4730-00-032-1522 is a Trap,steam, manufactured by Pentair Valves & Controls Us Lp Div Pentair Flow Control, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-032-1522?

NSN 4730-00-032-1522 has 5 cross-referenced part numbers: D20721 (Pentair Valves & Controls Us Lp Div Pentair Flow Control), 84S (Pentair Valves & Controls Us Lp Div Pentair Flow Control), D20840 (Pentair Valves & Controls Us Lp Div Pentair Flow Control), D20613 (Pentair Valves & Controls Us Lp Div Pentair Flow Control), D20514 (Pentair Valves & Controls Us Lp Div Pentair Flow Control).

What NSN replaces 4730-00-032-1522?

There are 2 known substitutes for 4730-00-032-1522: 2530-00-293-4307, 4820-01-021-2757. Verify interchangeability with system specifications before substitution.

What are the specifications of D20721?

Key specifications for D20721: Inlet Connection Type: FLANGED; Material: STEEL BODY; Flange Facing Type: RAISED LOCATION NOT OTHERWISE SPECIFIED; Flange Bolt Circle Diameter: 3.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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