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4075987 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4075987: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include overall_height: 0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN, flange_diameter: 0.729 INCHES MINIMUM AND 0.733 INCHES MAXIMUM IN, end_item_identification: F100PW0229 ENGINE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-324-3310, 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
4075987
NSN: 4820-01-324-3310
FSC: 4820 — Valves, Nonpowered
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
overall_height0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
flange_diameter0.729 INCHES MINIMUM AND 0.733 INCHES MAXIMUM IN
end_item_identificationF100PW0229 ENGINE
NSN4820-01-324-3310
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4075987 · 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 DIAMETER: 0.729 INCHES MINIMUM AND 0.733 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.729 INCHES MINIMUM AND 0.733 INCHES MAXIMUM IN
OVERALL HEIGHT0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONF100PW0229 ENGINE
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
4820PL0656498Reference document
Same NSN cross-reference
Reference document — Informative 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 4075987?
4075987 is a SEAT,VALVE.
What parts can replace 4075987?
There is 1 known substitute for 4075987: 4820PL0656498. Substitute compatibility should be verified for your specific system.
What is the NSN for 4075987?
4075987 is cataloged in the U.S. Government catalog under NSN 4820-01-324-3310. 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.