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4558750-0001 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4558750-0001: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, connection_type: BUTT WELD PIPE ALL ENDS, connection_style: BEVELED (PIPE) ALL ENDS, special_features: STOP CHECK DISK, style_designator: STRAIGHT THRU, valve_operation_method: MANUAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-417-1906, 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
4558750-0001
NSN: 4820-01-417-1906
FSC: 4820 — Valves, Nonpowered
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
connection_typeBUTT WELD PIPE ALL ENDS
connection_styleBEVELED (PIPE) ALL ENDS
special_featuresSTOP CHECK DISK
style_designatorSTRAIGHT THRU
valve_operation_methodMANUAL
nominal_pipe_size_accommodated4.000 INCHES ALL ENDS IN
NSN4820-01-417-1906
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4558750-0001 · 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 PIPE SIZE ACCOMMODATED: 4.000 INCHES ALL ENDS IN
•
CONNECTION STYLE: BEVELED (PIPE) ALL ENDS
•
CONNECTION TYPE: BUTT WELD PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: COPPER ALLOY BODY
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED4.000 INCHES ALL ENDS IN
CONNECTION STYLEBEVELED (PIPE) ALL ENDS
CONNECTION TYPEBUTT WELD PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
SPECIAL FEATURESSTOP CHECK DISK
MATERIALCOPPER ALLOY BODY
VALVE OPERATION METHODMANUAL
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 1
845-4558779 ITEM 3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4558750-0001?
4558750-0001 is a VALVE,CHECK.
What parts can replace 4558750-0001?
There is 1 known substitute for 4558750-0001: 845-4558779 ITEM 3. Substitute compatibility should be verified for your specific system.
What is the NSN for 4558750-0001?
4558750-0001 is cataloged in the U.S. Government catalog under NSN 4820-01-417-1906. 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.