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A-6683M PIECE 4 — CAP,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A-6683M PIECE 4: CAP,VALVE.

The CAP,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, attachment_method: BOLTS, material_document_and_classification: ASTM B61-74, ALLOY 922 ASSN STD SINGLE MATERIAL RESPONSE, valve_model_number_for_which_designed: FIG 246. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-294-4408, 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
A-6683M PIECE 4
NSN: 4810-01-294-4408
FSC: 4810 — Valves, Powered
CAGE: 21368 — FAIRBANKS CO THE (USA)
SPECIFICATIONS
materialCOPPER ALLOY
attachment_methodBOLTS
material_document_and_classificationASTM B61-74, ALLOY 922 ASSN STD SINGLE MATERIAL RESPONSE
valve_model_number_for_which_designedFIG 246
NSN4810-01-294-4408
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A-6683M PIECE 4 · 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 MODEL NUMBER FOR WHICH DESIGNED: FIG 246
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B61-74, ALLOY 922 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: COPPER ALLOY
•
ATTACHMENT METHOD: BOLTS
TECHNICAL CHARACTERISTICS
VALVE MODEL NUMBER FOR WHICH DESIGNEDFIG 246
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61-74, ALLOY 922 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY
ATTACHMENT METHODBOLTS
SUBSTITUTES & CROSS-REFERENCES 2
FIG 246 PIECE 4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A-6683MReference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A-6683M PIECE 4?
A-6683M PIECE 4 is a CAP,VALVE.
What parts can replace A-6683M PIECE 4?
There are 2 known substitutes for A-6683M PIECE 4: FIG 246 PIECE 4, A-6683M. Substitute compatibility should be verified for your specific system.
What is the NSN for A-6683M PIECE 4?
A-6683M PIECE 4 is cataloged in the U.S. Government catalog under NSN 4810-01-294-4408. 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.