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159370 — VALVE,VACUUM BREAKING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

159370: VALVE,VACUUM BREAKING.

The VALVE,VACUUM BREAKING is a the manufacturer industrial component. Key specifications include body_style: SINGLE CONNECTION, STRAIGHT FLOW, special_features: ONE END FLANGED WITH 8 HOLES; 6.250 IN. H; VALVE SZ 4.000 IN.; FOR DEAERATING FUEL TANK IN, flow_control_device: STEM AND INTEGRAL DISK, end_item_identification: NIMITZ CLASS CVN, media_for_which_designed: AIR.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-444-9151, 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
159370
NSN: 4820-01-444-9151
FSC: 4820 — Valves, Nonpowered
CAGE: 13344 — NEWTERRA CORPORATION, INC. (USA)
SPECIFICATIONS
body_styleSINGLE CONNECTION, STRAIGHT FLOW
special_featuresONE END FLANGED WITH 8 HOLES; 6.250 IN. H; VALVE SZ 4.000 IN.; FOR DEAERATING FUEL TANK IN
flow_control_deviceSTEM AND INTEGRAL DISK
end_item_identificationNIMITZ CLASS CVN
media_for_which_designedAIR
NSN4820-01-444-9151
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 159370 · 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
•
BODY STYLE: SINGLE CONNECTION, STRAIGHT FLOW
•
MEDIA FOR WHICH DESIGNED: AIR
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICESTEM AND INTEGRAL DISK
BODY STYLESINGLE CONNECTION, STRAIGHT FLOW
SPECIAL FEATURESONE END FLANGED WITH 8 HOLES; 6.250 IN. H; VALVE SZ 4.000 IN.; FOR DEAERATING FUEL TANK IN
END ITEM IDENTIFICATIONNIMITZ CLASS CVN
MEDIA FOR WHICH DESIGNEDAIR
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 159370?
159370 is a VALVE,VACUUM BREAKING.
What is the NSN for 159370?
159370 is cataloged in the U.S. Government catalog under NSN 4820-01-444-9151. 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.