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BM190397 ITEM 1 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

BM190397 ITEM 1: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include reference_number_differentiating_characteristics: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-237-9510, 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
BM190397 ITEM 1
NSN: 4820-01-237-9510
FSC: 4820 — Valves, Nonpowered
CAGE: 27005 — BOSCH REXROTH CORPORATION DIV INDUSTRIAL HYDRAULICS (USA)
SPECIFICATIONS
reference_number_differentiating_characteristicsMAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
NSN4820-01-237-9510
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: BM190397 ITEM 1 · 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
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REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
TECHNICAL CHARACTERISTICS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
SUBSTITUTES & CROSS-REFERENCES 3
195836VMSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
195836Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
BM190397 ITEM 1VMSame 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 BM190397 ITEM 1?
BM190397 ITEM 1 is a SEAT,VALVE.
What parts can replace BM190397 ITEM 1?
There are 3 known substitutes for BM190397 ITEM 1: 195836VM, 195836, BM190397 ITEM 1VM. Substitute compatibility should be verified for your specific system.
What is the NSN for BM190397 ITEM 1?
BM190397 ITEM 1 is cataloged in the U.S. Government catalog under NSN 4820-01-237-9510. 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.