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803-6983468-PC054 — PISTON,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

803-6983468-PC054: PISTON,VALVE.

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, inside_diameter: 0.438 INCHES NOMINAL IN, outside_diameter: 2.125 INCHES NOMINAL IN, end_item_identification: USED ON THE FIRE FIGHTING EQUIPMENT, valve_design_control_activity: 53711, valve_size_for_which_designed: 1.000 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-431-6674, 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
803-6983468-PC054
NSN: 4820-01-431-6674
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY
inside_diameter0.438 INCHES NOMINAL IN
outside_diameter2.125 INCHES NOMINAL IN
end_item_identificationUSED ON THE FIRE FIGHTING EQUIPMENT
valve_design_control_activity53711
valve_size_for_which_designed1.000 INCHES IN
valve_type_for_which_designedCHECK
material_document_and_classificationASTM-B164 ASSN STD SINGLE MATERIAL RESPONSE
valve_model_number_for_which_designed803-6983468-ASSEMBLY 97
NSN4820-01-431-6674
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-6983468-PC054 · 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
•
VALVE TYPE FOR WHICH DESIGNED: CHECK
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 803-6983468-ASSEMBLY 97
•
OUTSIDE DIAMETER: 2.125 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-B164 ASSN STD SINGLE MATERIAL RESPONSE
•
VALVE SIZE FOR WHICH DESIGNED: 1.000 INCHES IN
•
INSIDE DIAMETER: 0.438 INCHES NOMINAL IN
•
VALVE DESIGN CONTROL ACTIVITY: 53711
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDCHECK
VALVE MODEL NUMBER FOR WHICH DESIGNED803-6983468-ASSEMBLY 97
OUTSIDE DIAMETER2.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B164 ASSN STD SINGLE MATERIAL RESPONSE
VALVE SIZE FOR WHICH DESIGNED1.000 INCHES IN
INSIDE DIAMETER0.438 INCHES NOMINAL IN
VALVE DESIGN CONTROL ACTIVITY53711
END ITEM IDENTIFICATIONUSED ON THE FIRE FIGHTING EQUIPMENT
MATERIALNICKEL ALLOY
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 2
6983468-PIECE 54Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6983468Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 803-6983468-PC054?
803-6983468-PC054 is a PISTON,VALVE.
What parts can replace 803-6983468-PC054?
There are 2 known substitutes for 803-6983468-PC054: 6983468-PIECE 54, 6983468. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-6983468-PC054?
803-6983468-PC054 is cataloged in the U.S. Government catalog under NSN 4820-01-431-6674. 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.