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3219998 — RETAINER,DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3219998: RETAINER,DISK,VALVE.

The RETAINER,DISK,VALVE is a the manufacturer industrial component. Key specifications include special_features: VITON,MIL-R-25897 TYPE 2 CLASS 1;1.306 IN. OD IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-298-8676, 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
3219998
NSN: 4820-01-298-8676
FSC: 4820 — Valves, Nonpowered
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
special_featuresVITON,MIL-R-25897 TYPE 2 CLASS 1;1.306 IN. OD IN
NSN4820-01-298-8676
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3219998 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESVITON,MIL-R-25897 TYPE 2 CLASS 1;1.306 IN. OD IN
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 3
NMP-127 PIECE 18A4Reference document
Same NSN cross-reference
Reference document — Secondary reference
NMP-127Reference document
Same NSN cross-reference
Reference document — Secondary reference
3219998 PIECE 18A4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3219998?
3219998 is a RETAINER,DISK,VALVE.
What parts can replace 3219998?
There are 3 known substitutes for 3219998: NMP-127 PIECE 18A4, NMP-127, 3219998 PIECE 18A4. Substitute compatibility should be verified for your specific system.
What is the NSN for 3219998?
3219998 is cataloged in the U.S. Government catalog under NSN 4820-01-298-8676. This indicates validated use in U.S. government and defense supply chains.
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