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LL703 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

LL703: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include special_features: 2 OUNCE JAR. OZ, flow_control_device: POPPET, valve_operation_method: AUTOMATIC, part_name_assigned_by_controlling_agency: GREEN FLUORESCENT FINGERPRINT POWDER.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-077-1069, 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
LL703
NSN: 4820-01-077-1069
NIINs: 010771069, 016933102
FSC: 4820 — Valves, Nonpowered
CAGE: 55107 — OLMSTED PRODUCTS COMPANY LLC (USA)
SPECIFICATIONS
special_features2 OUNCE JAR. OZ
flow_control_devicePOPPET
valve_operation_methodAUTOMATIC
part_name_assigned_by_controlling_agencyGREEN FLUORESCENT FINGERPRINT POWDER
NSN4820-01-077-1069
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: LL703 · 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: POPPET
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 1
SV114Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 LL703?
LL703 is a VALVE,CHECK.
What parts can replace LL703?
There is 1 known substitute for LL703: SV114. Substitute compatibility should be verified for your specific system.
What is the NSN for LL703?
LL703 is cataloged in the U.S. Government catalog under NSN 4820-01-077-1069. 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.