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Technical Data Sheet
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70000305 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

70000305: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: ENGINE AND GENERATOR COMPONENTS, part_name_assigned_by_controlling_agency: SPRING,STOP (SPEED CONTROL LEVER). This part is cataloged in the U.S.

Government catalog under NSN 4820-01-163-3514, 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
70000305
NSN: 4820-01-163-3514
NIINs: 011633514, 014570887, 016504056
FSC: 4820 — Valves, Nonpowered
CAGE: 00912 — AKRON BRASS COMPANY (USA)
SPECIFICATIONS
end_item_identificationENGINE AND GENERATOR COMPONENTS
part_name_assigned_by_controlling_agencySPRING,STOP (SPEED CONTROL LEVER)
NSN4820-01-163-3514
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 70000305 · 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
•
FLANGE SEAT TO DISK END HEIGHT: 0.352 INCHES NOMINAL IN
•
FLANGE DIAMETER: 3.300 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 3.115 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
UNDER FLANGE HEIGHT: 0.713 INCHES NOMINAL IN
•
MATERIAL: RUBBER OVERALL
•
SEATING SURFACE SHAPE: RADIAL
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.352 INCHES NOMINAL IN
FLANGE DIAMETER3.300 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.115 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
UNDER FLANGE HEIGHT0.713 INCHES NOMINAL IN
MATERIALRUBBER OVERALL
SEATING SURFACE SHAPERADIAL
SUBSTITUTES & CROSS-REFERENCES 1
2074-0P-0-0-45-001Reference 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 70000305?
70000305 is a SEAT,VALVE.
What parts can replace 70000305?
There is 1 known substitute for 70000305: 2074-0P-0-0-45-001. Substitute compatibility should be verified for your specific system.
What is the NSN for 70000305?
70000305 is cataloged in the U.S. Government catalog under NSN 4820-01-163-3514. 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.