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EX2155 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

EX2155: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include valve_size: 0.25 INCHES IN, connection_style: BEADED (HOSE) ALL ENDS, style_designator: STRAIGHT THRU, end_item_identification: BOAT,PATROL, part_name_assigned_by_controlling_agency: NON-RETURN VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-679-9970, 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
EX2155
NSN: 4820-01-679-9970
FSC: 4820 — Valves, Nonpowered
CAGE: 6A840 — IMTRA CORP (USA)
SPECIFICATIONS
valve_size0.25 INCHES IN
connection_styleBEADED (HOSE) ALL ENDS
style_designatorSTRAIGHT THRU
end_item_identificationBOAT,PATROL
part_name_assigned_by_controlling_agencyNON-RETURN VALVE
NSN4820-01-679-9970
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: EX2155 · 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
•
CONNECTION STYLE: BEADED (HOSE) ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
VALVE SIZE: 0.25 INCHES IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEBEADED (HOSE) ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
VALVE SIZE0.25 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNON-RETURN VALVE
END ITEM IDENTIFICATIONBOAT,PATROL
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is EX2155?
EX2155 is a VALVE,CHECK.
What is the NSN for EX2155?
EX2155 is cataloged in the U.S. Government catalog under NSN 4820-01-679-9970. 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.