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803-6983468-PC079 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

803-6983468-PC079: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 625, overall_length: 15.560 INCHES NOMINAL IN, special_features: EXTERNALLY THREADED BOTH ENDS; 1.125-7UNC-2A A, end_item_identification: FIRE FIGHTING EQUIPMENT, stem_actuating_end_type: THREADED EXTERNALLY, largest_outside_diameter: 1.497 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-431-6686, 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-PC079
NSN: 4820-01-431-6686
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY 625
overall_length15.560 INCHES NOMINAL IN
special_featuresEXTERNALLY THREADED BOTH ENDS; 1.125-7UNC-2A A
end_item_identificationFIRE FIGHTING EQUIPMENT
stem_actuating_end_typeTHREADED EXTERNALLY
largest_outside_diameter1.497 INCHES NOMINAL IN
valve_size_for_which_designed8.000 INCHES IN
valve_type_for_which_designedLIFT-CHECK
material_document_and_classificationASTM B446 ASSN STD SINGLE MATERIAL RESPONSE
valve_model_number_for_which_designed6983468
NSN4820-01-431-6686
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-6983468-PC079 · 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: LIFT-CHECK
•
LARGEST OUTSIDE DIAMETER: 1.497 INCHES NOMINAL IN
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 6983468
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B446 ASSN STD SINGLE MATERIAL RESPONSE
•
VALVE SIZE FOR WHICH DESIGNED: 8.000 INCHES IN
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDLIFT-CHECK
LARGEST OUTSIDE DIAMETER1.497 INCHES NOMINAL IN
STEM ACTUATING END TYPETHREADED EXTERNALLY
VALVE MODEL NUMBER FOR WHICH DESIGNED6983468
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B446 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH15.560 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED8.000 INCHES IN
SPECIAL FEATURESEXTERNALLY THREADED BOTH ENDS; 1.125-7UNC-2A A
END ITEM IDENTIFICATIONFIRE FIGHTING EQUIPMENT
MATERIALNICKEL ALLOY 625
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 1
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-PC079?
803-6983468-PC079 is a STEM,FLUID VALVE.
What parts can replace 803-6983468-PC079?
There is 1 known substitute for 803-6983468-PC079: 6983468. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-6983468-PC079?
803-6983468-PC079 is cataloged in the U.S. Government catalog under NSN 4820-01-431-6686. 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.