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211081327 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

211081327: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: VALVE B, .75NPS 5100PSI SWLDG CRES, criticality_code_justification: ZZZY, part_name_assigned_by_controlling_agency: SEAT, VALVE (INAVY), VALVE, BALL, TOP LOAD 1/4, 1/2, 1 1/2, & 2 INCH, CRES BODY, HP AIR SERVICE (DRAWING NAME) IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-388-1161, 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
211081327
NSN: 4820-01-388-1161
NIINs: 013881161, 015403866
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
end_item_identificationVALVE B, .75NPS 5100PSI SWLDG CRES
criticality_code_justificationZZZY
part_name_assigned_by_controlling_agencySEAT, VALVE (INAVY), VALVE, BALL, TOP LOAD 1/4, 1/2, 1 1/2, & 2 INCH, CRES BODY, HP AIR SERVICE (DRAWING NAME) IN
NSN4820-01-388-1161
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 211081327 · 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
END ITEM IDENTIFICATIONVALVE B
SUBSTITUTES & CROSS-REFERENCES 1
801-6408786 FIND 81Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 211081327?
211081327 is a SEAT,VALVE.
What parts can replace 211081327?
There is 1 known substitute for 211081327: 801-6408786 FIND 81. Substitute compatibility should be verified for your specific system.
What is the NSN for 211081327?
211081327 is cataloged in the U.S. Government catalog under NSN 4820-01-388-1161. 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.