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161921003 — VALVE,EXPANSION

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

161921003: VALVE,EXPANSION.

The VALVE,EXPANSION is a the manufacturer industrial component. Key specifications include body_style: STRAIGHT THRU, end_item_identification: ICE MAKER,SERIES 1400,U/O THE MARS CLASS AFS, media_for_which_designed: REFRIGERANT 22, valve_expansion_control_type: THERMOSTATIC. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-428-6922, 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
161921003
NSN: 4820-01-428-6922
FSC: 4820 — Valves, Nonpowered
CAGE: 51267 — IMI CORNELIUS INC. (USA)
SPECIFICATIONS
body_styleSTRAIGHT THRU
end_connection_quantity2
end_item_identificationICE MAKER,SERIES 1400,U/O THE MARS CLASS AFS
media_for_which_designedREFRIGERANT 22
valve_expansion_control_typeTHERMOSTATIC
NSN4820-01-428-6922
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 161921003 · 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
•
BODY STYLE: STRAIGHT THRU
•
END CONNECTION QUANTITY: 2
•
VALVE EXPANSION CONTROL TYPE: THERMOSTATIC
•
MEDIA FOR WHICH DESIGNED: REFRIGERANT 22
TECHNICAL CHARACTERISTICS
BODY STYLESTRAIGHT THRU
END CONNECTION QUANTITY2
END ITEM IDENTIFICATIONICE MAKER,SERIES 1400,U/O THE MARS CLASS AFS
VALVE EXPANSION CONTROL TYPETHERMOSTATIC
MEDIA FOR WHICH DESIGNEDREFRIGERANT 22
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 161921003?
161921003 is a VALVE,EXPANSION.
What is the NSN for 161921003?
161921003 is cataloged in the U.S. Government catalog under NSN 4820-01-428-6922. 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.