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253870 PC 3 — CAP,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

253870 PC 3: CAP,VALVE.

The CAP,VALVE is a the manufacturer industrial component. Key specifications include height: 14.062 INCHES NOMINAL IN, material: NICKEL ALLOY, overall_length: 14.062 INCHES NOMINAL IN, special_features: E/I 4810-01-139-9828 12 IN BRONZE GATE VALVE IN, attachment_method: BOLTS, end_item_identification: NIMITZ CLASS CVN. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-467-0631, 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
253870 PC 3
NSN: 4810-01-467-0631
FSC: 4810 — Valves, Powered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
height14.062 INCHES NOMINAL IN
materialNICKEL ALLOY
overall_length14.062 INCHES NOMINAL IN
special_featuresE/I 4810-01-139-9828 12 IN BRONZE GATE VALVE IN
attachment_methodBOLTS
end_item_identificationNIMITZ CLASS CVN
valve_size_for_which_designed12.000 INCHES IN
valve_type_for_which_designedGATE
material_document_and_classificationMIL-B-21230 ALLOY MOD TO 4-5.5% NI MIL SPEC SINGLE MATERIAL RESPONSE
valve_model_number_for_which_designed253870
NSN4810-01-467-0631
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 253870 PC 3 · 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
•
VALVE TYPE FOR WHICH DESIGNED: GATE
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 253870
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-21230 ALLOY MOD TO 4-5.5% NI MIL SPEC SINGLE MATERIAL RESPONSE
•
VALVE SIZE FOR WHICH DESIGNED: 12.000 INCHES IN
•
HEIGHT: 14.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDGATE
VALVE MODEL NUMBER FOR WHICH DESIGNED253870
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-21230 ALLOY MOD TO 4-5.5% NI MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH14.062 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED12.000 INCHES IN
HEIGHT14.062 INCHES NOMINAL IN
SPECIAL FEATURESE/I 4810-01-139-9828 12 IN BRONZE GATE VALVE IN
END ITEM IDENTIFICATIONNIMITZ CLASS CVN
MATERIALNICKEL ALLOY
ATTACHMENT METHODBOLTS
SUBSTITUTES & CROSS-REFERENCES 1
253870Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 253870 PC 3?
253870 PC 3 is a CAP,VALVE.
What parts can replace 253870 PC 3?
There is 1 known substitute for 253870 PC 3: 253870. Substitute compatibility should be verified for your specific system.
What is the NSN for 253870 PC 3?
253870 PC 3 is cataloged in the U.S. Government catalog under NSN 4810-01-467-0631. 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.