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2051F51G02 — 2051F51G02

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

2051F51G02: 2051F51G02.

The 2051F51G02 is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-245-0439, 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
MRO→ MRO_GENERAL→ 2051F51G02
NSN: 4820-01-245-0439
NIINs: 012450439, 014713219
FSC: 4820 — Valves, Nonpowered
CAGE: 04804 — NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
NSN4820-01-245-0439
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2051F51G02 · 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
•
Generation 02 Platform
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONTURBINE STEM,GEN
SUBSTITUTES & CROSS-REFERENCES 1
128C816AFG-2Reference 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 2051F51G02?
2051F51G02 is a 2051F51G02. It is classified as a MRO (MRO_GENERAL).
What parts can replace 2051F51G02?
There is 1 known substitute for 2051F51G02: 128C816AFG-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 2051F51G02?
2051F51G02 is cataloged in the U.S. Government catalog under NSN 4820-01-245-0439. 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.