PartsTable
Technical Data Sheet

M22121/5 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

M22121/5: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, end_item_identification: 1.500 IN. VALVE IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-459-1229, 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
M22121/5
NSN: 4820-01-459-1229
FSC: 4820 — Valves, Nonpowered
CAGE: K2980 — SHIPHAM VALVES LIMITED (GBR)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
end_item_identification1.500 IN. VALVE IN
NSN4820-01-459-1229
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: M22121/5 · 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
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATION1.500 IN. VALVE IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
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 4
M22120 ITEM 5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
B006-0024-53Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
M22120/5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
M22121 ITEM 5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M22121/5?
M22121/5 is a SEAT,VALVE.
What parts can replace M22121/5?
There are 4 known substitutes for M22121/5: M22120 ITEM 5, B006-0024-53, M22120/5 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M22121/5?
M22121/5 is cataloged in the U.S. Government catalog under NSN 4820-01-459-1229. 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.