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4171K23 — VALVE,FLOW CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4171K23: VALVE,FLOW CONTROL.

The VALVE,FLOW CONTROL is a the manufacturer industrial component. Key specifications include body_material: COPPER ALLOY, special_features: SPRING-CLOSE LEVER WITH SLIGHTLY RESTRICTED FLOW; LENGTH 2.25 INCHES IN, flow_control_device: BALL, end_item_identification: 4110-01-534-7675; MOBILE INT COLL SYS, part_name_assigned_by_controlling_agency: EXTENDED-LIFE BRONZE BALL VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-584-8948, 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
4171K23
NSN: 4820-01-584-8948
FSC: 4820 — Valves, Nonpowered
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
body_materialCOPPER ALLOY
special_featuresSPRING-CLOSE LEVER WITH SLIGHTLY RESTRICTED FLOW; LENGTH 2.25 INCHES IN
flow_control_deviceBALL
end_item_identification4110-01-534-7675; MOBILE INT COLL SYS
part_name_assigned_by_controlling_agencyEXTENDED-LIFE BRONZE BALL VALVE
NSN4820-01-584-8948
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4171K23 · 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: BALL
•
BODY MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEBALL
BODY MATERIALCOPPER ALLOY
SPECIAL FEATURESSPRING-CLOSE LEVER WITH SLIGHTLY RESTRICTED FLOW; LENGTH 2.25 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYEXTENDED-LIFE BRONZE BALL VALVE
END ITEM IDENTIFICATION4110-01-534-7675; MOBILE INT COLL SYS
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 4171K23?
4171K23 is a VALVE,FLOW CONTROL.
What is the NSN for 4171K23?
4171K23 is cataloged in the U.S. Government catalog under NSN 4820-01-584-8948. 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.