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516-5486645 — VALVE,REGULATING,OXYGEN SYSTEM P

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

516-5486645: VALVE,REGULATING,OXYGEN SYSTEM P.

VALVE,REGULATING,OXYGEN SYSTEM P. Key specifications include material: NICKEL ALLOY BODY, style_designator: STRAIGHT THRU, operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, flow_control_device: POPPET, fsc_application_data: MANIFOLD, material_document_and_classification: QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE SEAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-275-8813, 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
516-5486645
NSN: 4820-01-275-8813
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY BODY
style_designatorSTRAIGHT THRU
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_devicePOPPET
fsc_application_dataMANIFOLD
material_document_and_classificationQQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE SEAT
reference_number_differentiating_characteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS AND REQUIRES CLEANING, PACKING, AND MARKING IAW MIL-STD-1330
NSN4820-01-275-8813
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 516-5486645 · 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
SUBSTITUTES & CROSS-REFERENCES 8
7383858-3423-0001-5 ITEM 10Reference document
Same NSN cross-reference
Reference document — Secondary reference
3423-2001-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
3423-2001-1C1Reference document
Same NSN cross-reference
Reference document — Secondary reference
3423-0001-5 ITEM 10Reference document
Same NSN cross-reference
Reference document — Secondary reference
3423-0001Reference document
Same NSN cross-reference
Reference document — Secondary reference
H547-0001-3423-0001-5 ITEM 10C1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 516-5486645?
516-5486645 is a VALVE,REGULATING,OXYGEN SYSTEM P.
What parts can replace 516-5486645?
There are 8 known substitutes for 516-5486645: 7383858-3423-0001-5 ITEM 10, 3423-2001-1, 3423-2001-1C1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 516-5486645?
516-5486645 is cataloged in the U.S. Government catalog under NSN 4820-01-275-8813. This indicates validated use in U.S. government and defense supply chains.
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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.