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Technical Data Sheet
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4900040 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4900040: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include end_item_identification: AV8B SUPPORT EQUIPMENT, part_name_assigned_by_controlling_agency: NUT, M4. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-287-4005, 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
4900040
NSN: 4820-01-287-4005
NIINs: 012874005, 016869090
FSC: 4820 — Valves, Nonpowered
CAGE: 55820 — RTX CORPORATION DIV PRATT & WHITNEY (USA)
SPECIFICATIONS
end_item_identificationAV8B SUPPORT EQUIPMENT
part_name_assigned_by_controlling_agencyNUT, M4
NSN4820-01-287-4005
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4900040 · 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
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SUPPLEMENTARY FEATURES: APPL TO LANTIRN TARGET POD
•
MATERIAL: ALUMINUM OVERALL
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESAPPL TO LANTIRN TARGET POD
MATERIALALUMINUM OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
C277A-10Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4900040?
4900040 is a VALVE,CHECK.
What parts can replace 4900040?
There is 1 known substitute for 4900040: C277A-10. Substitute compatibility should be verified for your specific system.
What is the NSN for 4900040?
4900040 is cataloged in the U.S. Government catalog under NSN 4820-01-287-4005. 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.