PartsTable
Technical Data Sheet

4873-2/7 — PARTS KIT,PRESSURE REGULATING VA

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4873-2/7: PARTS KIT,PRESSURE REGULATING VA.

PARTS KIT,PRESSURE REGULATING VA. This part is cataloged in the U.S. Government catalog under NSN 4820-01-078-8137, 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
4873-2/7
NSN: 4820-01-078-8137
FSC: 4820 — Valves, Nonpowered
CAGE: 22501 — HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC (USA)
SPECIFICATIONS
component_quantity6
NSN4820-01-078-8137
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4873-2/7 · 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
•
COMPONENT QUANTITY: 6
•
NONSUPPLY ITEMS AND QUANTITIES: 07282 EB12191 DIAPHRAGM ASSEMBLY 1; 07282 EB12216-1 DIAPHRAGM ASSEMBLY 1; 07282 EB12222-1 SPACER RING ASSEMBLY 1; 07282 EB06053 GASKET 1; 07282 EB06070 SEAT RING 1; 07282 EB01820 INNER VALVE ASSEMBLY 1
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY6
NONSUPPLY ITEMS AND QUANTITIES07282 EB12191 DIAPHRAGM ASSEMBLY 1; 07282 EB12216-1 DIAPHRAGM ASSEMBLY 1; 07282 EB12222-1 SPACER RING ASSEMBLY 1; 07282 EB06053 GASKET 1; 07282 EB06070 SEAT RING 1; 07282 EB01820 INNER VALVE ASSEMBLY 1
SUBSTITUTES & CROSS-REFERENCES 4
9022-38Reference document
Same NSN cross-reference
Reference document — Secondary reference
4873Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
EA-12922Reference document
Same NSN cross-reference
Reference document — Secondary reference
4873C-2/7Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4873-2/7?
4873-2/7 is a PARTS KIT,PRESSURE REGULATING VA.
What parts can replace 4873-2/7?
There are 4 known substitutes for 4873-2/7: 9022-38, 4873, EA-12922 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4873-2/7?
4873-2/7 is cataloged in the U.S. Government catalog under NSN 4820-01-078-8137. 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.