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R978835672 — VALVE,BUTTERFLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

R978835672: VALVE,BUTTERFLY.

The VALVE,BUTTERFLY is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-551-0620, 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
R978835672
NSN: 4820-01-551-0620
FSC: 4820 — Valves, Nonpowered
CAGE: 27005 — BOSCH REXROTH CORPORATION DIV INDUSTRIAL HYDRAULICS (USA)
SPECIFICATIONS
Part NumberR978835672
NSN4820-01-551-0620
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: R978835672 · 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
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 4
E2-1/2PU-A21-27Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
PU-A21-27-00 P/N R978835672Reference document
Same NSN cross-reference
Reference document — Secondary reference
US835672Reference document
Same NSN cross-reference
Reference document — Secondary reference
43AHAG-13310-0-E TECH POS 405Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 R978835672?
R978835672 is a VALVE,BUTTERFLY.
What parts can replace R978835672?
There are 4 known substitutes for R978835672: E2-1/2PU-A21-27, PU-A21-27-00 P/N R978835672, US835672 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R978835672?
R978835672 is cataloged in the U.S. Government catalog under NSN 4820-01-551-0620. 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.