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1200197-1 — VALVE ASSEMBLY,FLUX

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1200197-1: VALVE ASSEMBLY,FLUX.

The VALVE ASSEMBLY,FLUX is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OR STEEL COMP 4140 NUT, nut_style: PLATE, nut_height: 0.496 INCHES MINIMUM AND 0.536 INCHES MAXIMUM IN, nut_length: 0.790 INCHES MINIMUM AND 0.824 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, plate_width: 0.535 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-280-8179, 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
1200197-1
NSN: 4820-01-280-8179
FSC: 4820 — Valves, Nonpowered
CAGE: 54274 — LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OR STEEL COMP 4140 NUT
nut_stylePLATE
nut_height0.496 INCHES MINIMUM AND 0.536 INCHES MAXIMUM IN
nut_length0.790 INCHES MINIMUM AND 0.824 INCHES MAXIMUM IN
lubricationDRY FILM LUBRICANT
plate_width0.535 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE ALL METAL DESIGN
plate_thickness0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedFLOATING NUT
NSN4820-01-280-8179
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1200197-1 · 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
SUBSTITUTES & CROSS-REFERENCES 1
1200034Reference 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 1200197-1?
1200197-1 is a VALVE ASSEMBLY,FLUX.
What parts can replace 1200197-1?
There is 1 known substitute for 1200197-1: 1200034. Substitute compatibility should be verified for your specific system.
What is the NSN for 1200197-1?
1200197-1 is cataloged in the U.S. Government catalog under NSN 4820-01-280-8179. 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.