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4959K4 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4959K4: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include special_features: 6.875 IN. H X 3.500 IN.

W IN, flow_control_device: STEM AND INTEGRAL DISK, outlet_pressure_range: 5.0 TO 125.0 CAMERA MOUNT, media_for_which_designed: AIR, maximum_inlet_pressure_rating: ERR-060, thread_size_and_series/type_designator: 3/4-14 NPT FIRST END. This part is cataloged in the U.S. Government catalog under NSN 4820-01-220-6687, 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
4959K4
NSN: 4820-01-220-6687
FSC: 4820 — Valves, Nonpowered
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
special_features6.875 IN. H X 3.500 IN. W IN
flow_control_deviceSTEM AND INTEGRAL DISK
outlet_pressure_range5.0 TO 125.0 CAMERA MOUNT
media_for_which_designedAIR
maximum_inlet_pressure_ratingERR-060
thread_size_and_series/type_designator3/4-14 NPT FIRST END
NSN4820-01-220-6687
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4959K4 · 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
•
FLOW CONTROL DEVICE: STEM AND INTEGRAL DISK
•
OUTLET PRESSURE RANGE: 5.0 TO 125.0 CAMERA MOUNT
•
MEDIA FOR WHICH DESIGNED: AIR
•
MAXIMUM INLET PRESSURE RATING: ERR-060
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 3/4-14 NPT FIRST END
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICESTEM AND INTEGRAL DISK
OUTLET PRESSURE RANGE5.0 TO 125.0 CAMERA MOUNT
SPECIAL FEATURES6.875 IN. H X 3.500 IN. W IN
MEDIA FOR WHICH DESIGNEDAIR
MAXIMUM INLET PRESSURE RATINGERR-060
THREAD SIZE AND SERIES/TYPE DESIGNATOR3/4-14 NPT FIRST END
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 4959K4?
4959K4 is a VALVE,REGULATING,FLUID PRESSURE.
What is the NSN for 4959K4?
4959K4 is cataloged in the U.S. Government catalog under NSN 4820-01-220-6687. 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.