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18774 — VALVE ASSEMBLY,MANIFOLD

✓ Government record, cited
Clementoni · GATE VALVE
PRODUCT OVERVIEW

18774: VALVE ASSEMBLY,MANIFOLD.

Anti-shock soft bubble compartment. Easy accessible entrance with zipper. Extra compartment for accessories.

Durable nylon material. Adjustable shoulder strap. Compartment size: 260x195mm.

. Key specifications include material: ALUMINUM ALLOY OVERALL, head_style: FLAT CHAMFER, head_height: 0.096 INCHES NOMINAL IN, point_style: DOG, point_length: 0.969 INCHES NOMINAL IN, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-036-0914, 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
18774
NSN: 4820-00-036-0914
NIINs: 000360914, 006078394, 014399683, 017072011, 017072021, 017072252, 017075480, 017077920
FSC: 4820 — Valves, Nonpowered
CAGE: 73475 — SCHNEIDER ELECTRIC SYSTEMS USA INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
head_styleFLAT CHAMFER
head_height0.096 INCHES NOMINAL IN
point_styleDOG
point_length0.969 INCHES NOMINAL IN
thread_class2A A
head_diameter0.300 INCHES NOMINAL IN
thread_length0.829 INCHES MINIMUM IN
point_diameter0.135 INCHES NOMINAL IN
fastener_length1.969 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
NSN4820-00-036-0914
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 18774 · Clementoni ⚠ 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: 0.188 INCHES NOMINAL IN
•
FLANGE DIAMETER: 2.500 INCHES NOMINAL IN
•
THREAD LENGTH: 0.500 INCHES NOMINAL SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: THREADED FLANGED
•
BODY INSIDE DIAMETER: 1.873 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 2.307 INCHES SINGLE THREADED PORTION IN
•
UNDER FLANGE HEIGHT: 0.500 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 16 SINGLE THREADED PORTION
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.188 INCHES NOMINAL IN
FLANGE DIAMETER2.500 INCHES NOMINAL IN
THREAD LENGTH0.500 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATORTHREADED FLANGED
BODY INSIDE DIAMETER1.873 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN
NOMINAL THREAD SIZE2.307 INCHES SINGLE THREADED PORTION IN
UNDER FLANGE HEIGHT0.500 INCHES NOMINAL IN
THREAD QUANTITY PER INCH16 SINGLE THREADED PORTION
MATERIALNICKEL OR COPPER ALLOY OVERALL
SEAT ANGLE IN DEG30.000 NOMINAL
SUBSTITUTES & CROSS-REFERENCES 1
81321-A PIECE 1Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 18774?
18774 is a VALVE ASSEMBLY,MANIFOLD manufactured by Clementoni.
What parts can replace 18774?
There is 1 known substitute for 18774: 81321-A PIECE 1. Substitute compatibility should be verified for your specific system.
What is the NSN for 18774?
18774 is cataloged in the U.S. Government catalog under NSN 4820-00-036-0914. 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.