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331-190-046 — VALVE,CHECK,OXYGEN SYSTEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

331-190-046: VALVE,CHECK,OXYGEN SYSTEM.

The VALVE,CHECK,OXYGEN SYSTEM is a the manufacturer industrial component. Key specifications include material: STEEL BODY, nominal_width: 2.500 INCHES ALL ENDS IN, nominal_length: 2.500 INCHES ALL ENDS IN, special_features: HEIGHT 2-1/2; FLOW CONTROL DEVICE: PLUG, style_designator: TEE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-291-9515, 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
331-190-046
NSN: 4820-01-291-9515
FSC: 4820 — Valves, Nonpowered
CAGE: 47432 — INTERSPIRO INC (USA)
SPECIFICATIONS
materialSTEEL BODY
nominal_width2.500 INCHES ALL ENDS IN
nominal_length2.500 INCHES ALL ENDS IN
special_featuresHEIGHT 2-1/2; FLOW CONTROL DEVICE: PLUG
style_designatorTEE
NSN4820-01-291-9515
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 331-190-046 · 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
•
NOMINAL LENGTH: 2.500 INCHES ALL ENDS IN
•
STYLE DESIGNATOR: TEE
•
NOMINAL WIDTH: 2.500 INCHES ALL ENDS IN
•
MATERIAL: STEEL BODY
TECHNICAL CHARACTERISTICS
NOMINAL LENGTH2.500 INCHES ALL ENDS IN
STYLE DESIGNATORTEE
SPECIAL FEATURESHEIGHT 2-1/2; FLOW CONTROL DEVICE: PLUG
NOMINAL WIDTH2.500 INCHES ALL ENDS IN
MATERIALSTEEL BODY
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 331-190-046?
331-190-046 is a VALVE,CHECK,OXYGEN SYSTEM.
What is the NSN for 331-190-046?
331-190-046 is cataloged in the U.S. Government catalog under NSN 4820-01-291-9515. 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.