PartsTable
Technical Data Sheet

GRE-1/2-ZP — VALVE,EXPANSION

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

GRE-1/2-ZP: VALVE,EXPANSION.

The VALVE,EXPANSION is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY SEAT, flow_control_device: POPPET, first_end_connection_type: UNTHREADED EXTERNAL TUBE, valve_expansion_control_type: THERMOSTATIC. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-377-1376, 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
GRE-1/2-ZP
NSN: 4820-01-377-1376
FSC: 4820 — Valves, Nonpowered
CAGE: 78462 — PARKER-HANNIFIN CORP DIV SPORLAN DIVISION (USA)
SPECIFICATIONS
materialNICKEL ALLOY SEAT
flow_control_devicePOPPET
end_connection_quantity2
first_end_connection_typeUNTHREADED EXTERNAL TUBE
valve_expansion_control_typeTHERMOSTATIC
NSN4820-01-377-1376
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: GRE-1/2-ZP · 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
•
FLOW CONTROL DEVICE: POPPET
•
END CONNECTION QUANTITY: 2
•
FIRST END CONNECTION TYPE: UNTHREADED EXTERNAL TUBE
•
MATERIAL: COPPER ALLOY BODY
•
VALVE EXPANSION CONTROL TYPE: THERMOSTATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPEUNTHREADED EXTERNAL TUBE
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY SEAT
VALVE EXPANSION CONTROL TYPETHERMOSTATIC
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy GRE-1/2-ZP?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is GRE-1/2-ZP?
GRE-1/2-ZP is a VALVE,EXPANSION.
What is the NSN for GRE-1/2-ZP?
GRE-1/2-ZP is cataloged in the U.S. Government catalog under NSN 4820-01-377-1376. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — GRE-1/2-ZP

✓ 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.