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SS(N)637-300-2144167 — RETAINER,BALL PIVOT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SS(N)637-300-2144167: RETAINER,BALL PIVOT,VALVE.

The RETAINER,BALL PIVOT,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.1800 INCHES MINIMUM AND 0.1850 INCHES MAXIMUM IN, overall_length: 1.7500 INCHES NOMINAL IN, surface_finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY, flange_diameter: 14.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-201-6599, 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
SS(N)637-300-2144167
NSN: 4820-01-201-6599
NIINs: 012016599, 012016730, 012016731, 012098134
FSC: 4820 — Valves, Nonpowered
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE ALL CORNERS
flange_width0.1800 INCHES MINIMUM AND 0.1850 INCHES MAXIMUM IN
overall_length1.7500 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
flange_diameter14.500 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
under_flange_height1.953 INCHES NOMINAL IN
body_inside_diameter1.7570 INCHES MINIMUM AND 1.7590 INCHES MAXIMUM IN
body_outside_diameter2.3760 INCHES MINIMUM AND 2.3770 INCHES MAXIMUM IN
seating_surface_shapeFLAT
flange_outside_diameter3.0000 INCHES NOMINAL IN
NSN4820-01-201-6599
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SS(N)637-300-2144167 · 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: 0.500 INCHES NOMINAL IN
•
FLANGE DIAMETER: 14.500 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 12.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 10.000 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 1.953 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING SEAT
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.500 INCHES NOMINAL IN
FLANGE DIAMETER14.500 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER12.125 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER10.000 INCHES NOMINAL IN
UNDER FLANGE HEIGHT1.953 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING SEAT
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES 1
77774-35X3Reference 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 SS(N)637-300-2144167?
SS(N)637-300-2144167 is a RETAINER,BALL PIVOT,VALVE.
What parts can replace SS(N)637-300-2144167?
There is 1 known substitute for SS(N)637-300-2144167: 77774-35X3. Substitute compatibility should be verified for your specific system.
What is the NSN for SS(N)637-300-2144167?
SS(N)637-300-2144167 is cataloged in the U.S. Government catalog under NSN 4820-01-201-6599. 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.