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A16054-1 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A16054-1: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, thread_class: 2B SINGLE THREADED PORTION, thread_length: 0.310 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 0.875 INCHES NOMINAL IN, style_designator: PLAIN FLANGED, nominal_thread_size: 0.312 INCHES SINGLE THREADED PORTION IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-118-9377, 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
A16054-1
NSN: 4820-01-118-9377
FSC: 4820 — Valves, Nonpowered
CAGE: 08441 — SPX CORPORATION DBA DIELECTRIC COMMUNICATIONS DIV SPX COMMUNICATION TECHNOLOGIES (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
thread_class2B SINGLE THREADED PORTION
thread_length0.310 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter0.875 INCHES NOMINAL IN
style_designatorPLAIN FLANGED
nominal_thread_size0.312 INCHES SINGLE THREADED PORTION IN
under_flange_height0.469 INCHES NOMINAL IN
body_inside_diameter0.272 INCHES NOMINAL IN
body_outside_diameter0.754 INCHES NOMINAL IN
seating_surface_shapeFLAT
thread_series_designatorUNF SINGLE THREADED PORTION
flange_seat_to_disk_end_height0.062 INCHES NOMINAL IN
NSN4820-01-118-9377
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A16054-1 · 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: 0.062 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.875 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.754 INCHES NOMINAL IN
•
THREAD LENGTH: 0.310 INCHES NOMINAL SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 0.272 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.312 INCHES SINGLE THREADED PORTION IN
•
UNDER FLANGE HEIGHT: 0.469 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.062 INCHES NOMINAL IN
FLANGE DIAMETER0.875 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.754 INCHES NOMINAL IN
THREAD LENGTH0.310 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER0.272 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.312 INCHES SINGLE THREADED PORTION IN
UNDER FLANGE HEIGHT0.469 INCHES NOMINAL IN
THREAD CLASS2B SINGLE THREADED PORTION
MATERIALALUMINUM ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
A16054Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 A16054-1?
A16054-1 is a SEAT,VALVE.
What parts can replace A16054-1?
There is 1 known substitute for A16054-1: A16054. Substitute compatibility should be verified for your specific system.
What is the NSN for A16054-1?
A16054-1 is cataloged in the U.S. Government catalog under NSN 4820-01-118-9377. 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.