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1281-006 4IN — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1281-006 4IN: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 922 BODY, connection_type: FLANGE ALL ENDS, special_features: END ITEM VALVE CHECK SWING, style_designator: CROSS, mounting_position: VERTICAL, flange_face_design: PLAIN ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-480-0035, 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
1281-006 4IN
NSN: 4820-01-480-0035
FSC: 4820 — Valves, Nonpowered
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 922 BODY
connection_typeFLANGE ALL ENDS
special_featuresEND ITEM VALVE CHECK SWING
style_designatorCROSS
mounting_positionVERTICAL
flange_face_designPLAIN ALL ENDS
valve_operation_methodAUTOMATIC
end_item_identificationARLEIGH BURKE CLASS DDG
NSN4820-01-480-0035
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1281-006 4IN · 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
•
FLANGE FACE DESIGN: PLAIN ALL ENDS
•
MOUNTING POSITION: VERTICAL
•
CONNECTION TYPE: FLANGE ALL ENDS
•
STYLE DESIGNATOR: CROSS
•
MATERIAL: COPPER ALLOY 922 BODY
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLANGE FACE DESIGNPLAIN ALL ENDS
MOUNTING POSITIONVERTICAL
CONNECTION TYPEFLANGE ALL ENDS
STYLE DESIGNATORCROSS
SPECIAL FEATURESEND ITEM VALVE CHECK SWING
END ITEM IDENTIFICATIONARLEIGH BURKE CLASS DDG
MATERIALCOPPER ALLOY 922 BODY
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 2
1281-006Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
1281-006 41NReference document
Same NSN cross-reference
Reference document — Secondary reference
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 1281-006 4IN?
1281-006 4IN is a VALVE,CHECK.
What parts can replace 1281-006 4IN?
There are 2 known substitutes for 1281-006 4IN: 1281-006, 1281-006 41N. Substitute compatibility should be verified for your specific system.
What is the NSN for 1281-006 4IN?
1281-006 4IN is cataloged in the U.S. Government catalog under NSN 4820-01-480-0035. 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.