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5029-20-903-1103 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

5029-20-903-1103: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. This part is cataloged in the U.S. Government catalog under NSN 4820-01-251-0662, 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
5029-20-903-1103
NSN: 4820-01-251-0662
FSC: 4820 — Valves, Nonpowered
CAGE: 99696 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN SYSTEMS & GLOBAL SOLUTIONS (USA)
SPECIFICATIONS
Part Number5029-20-903-1103
NSN4820-01-251-0662
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 5029-20-903-1103 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESGREY CAST IRON,ASTM A48 C1 40 BODY;STEEL AISI 1213-12L14 CONTROL LEVER;MOLDED PHENOLIC PLASTIC CONTROL KNOB;OPERATING PRESSURE 5000 PSI;TEMPERATURE RANGE -58 DEG F TO 125 DEG F;O/A LENGTH 4.688 IN.;OD 2.010 IN.;SPRING CENTERED IN
SUBSTITUTES & CROSS-REFERENCES 2
5029209-031Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
BKDG3-698Same 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 5029-20-903-1103?
5029-20-903-1103 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 5029-20-903-1103?
There are 2 known substitutes for 5029-20-903-1103: 5029209-031, BKDG3-698. Substitute compatibility should be verified for your specific system.
What is the NSN for 5029-20-903-1103?
5029-20-903-1103 is cataloged in the U.S. Government catalog under NSN 4820-01-251-0662. 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.