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PRV4-2921 — VALVE,CALIBRATED FLOW

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

PRV4-2921: VALVE,CALIBRATED FLOW.

The VALVE,CALIBRATED FLOW is a the manufacturer industrial component. Key specifications include end_item_identification: EXCAVATOR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-396-1502, 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
PRV4-2921
NSN: 4820-01-396-1502
FSC: 4820 — Valves, Nonpowered
CAGE: 54846 — MODULAR CONTROLS CORP (USA)
SPECIFICATIONS
end_connection_quantity1
end_item_identificationEXCAVATOR
NSN4820-01-396-1502
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: PRV4-2921 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
END CONNECTION QUANTITY: 1
TECHNICAL CHARACTERISTICS
END CONNECTION QUANTITY1
END ITEM IDENTIFICATIONEXCAVATOR
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
AT157044Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 PRV4-2921?
PRV4-2921 is a VALVE,CALIBRATED FLOW.
What parts can replace PRV4-2921?
There is 1 known substitute for PRV4-2921: AT157044. Substitute compatibility should be verified for your specific system.
What is the NSN for PRV4-2921?
PRV4-2921 is cataloged in the U.S. Government catalog under NSN 4820-01-396-1502. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.