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081935 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

081935: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL OR COPPER ALLOY OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.188 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 0.563 INCHES NOMINAL IN, special_features: FOUR INTERNAL GROUPS EVENLY SPACED, style_designator: FAUCET. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-005-6157, 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
081935
NSN: 4820-01-005-6157
FSC: 4820 — Valves, Nonpowered
CAGE: 80850 — INTERLINE BRANDS, INC. DBA J. A. SEXAUER (USA)
SPECIFICATIONS
materialNICKEL OR COPPER ALLOY OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.188 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter0.563 INCHES NOMINAL IN
special_featuresFOUR INTERNAL GROUPS EVENLY SPACED
style_designatorFAUCET
nominal_thread_size0.500 INCHES SINGLE THREADED PORTION IN
under_flange_height0.250 INCHES NOMINAL IN
body_inside_diameter0.290 INCHES NOMINAL IN
seating_surface_shapeFLAT
thread_quantity_per_inch24 SINGLE THREADED PORTION
thread_series_designatorUNS SINGLE THREADED PORTION
NSN4820-01-005-6157
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 081935 · 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
•
FLANGE SEAT TO DISK END HEIGHT: 0.125 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.563 INCHES NOMINAL IN
•
THREAD LENGTH: 0.188 INCHES NOMINAL SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: FAUCET
•
BODY INSIDE DIAMETER: 0.290 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.500 INCHES SINGLE THREADED PORTION IN
•
UNDER FLANGE HEIGHT: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.125 INCHES NOMINAL IN
FLANGE DIAMETER0.563 INCHES NOMINAL IN
THREAD LENGTH0.188 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATORFAUCET
BODY INSIDE DIAMETER0.290 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.500 INCHES SINGLE THREADED PORTION IN
SPECIAL FEATURESFOUR INTERNAL GROUPS EVENLY SPACED
UNDER FLANGE HEIGHT0.250 INCHES NOMINAL IN
THREAD CLASS2A SINGLE THREADED PORTION A
THREAD QUANTITY PER INCH24 SINGLE THREADED PORTION
SUBSTITUTES & CROSS-REFERENCES 2
8193Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
8193SG1MReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 081935?
081935 is a SEAT,VALVE.
What parts can replace 081935?
There are 2 known substitutes for 081935: 8193, 8193SG1M. Substitute compatibility should be verified for your specific system.
What is the NSN for 081935?
081935 is cataloged in the U.S. Government catalog under NSN 4820-01-005-6157. 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.