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9987-904 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

9987-904: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: CELLULOSE OVERALL, hole_diameter: 0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 10.750 INCHES NOMINAL IN, overall_length: 23.500 INCHES NOMINAL IN, inside_corner_radius: 10.500 INCHES NOMINAL IN, outside_corner_radius: 12.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-270-5826, 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
9987-904
NSN: 4820-01-270-5826
NIINs: 012705826, 012836073
FSC: 4820 — Valves, Nonpowered
CAGE: 66503 — WOODWARD, INC. DIV FUEL SYSTEMS AND CONTROLS (USA)
SPECIFICATIONS
materialCELLULOSE OVERALL
hole_diameter0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width10.750 INCHES NOMINAL IN
overall_length23.500 INCHES NOMINAL IN
inside_corner_radius10.500 INCHES NOMINAL IN
outside_corner_radius12.000 INCHES NOMINAL IN
cross-sectional_thickness0.015 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-P-20085 MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN4820-01-270-5826
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 9987-904 · 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 2
9987-904 ITEM 33Reference document
Same NSN cross-reference
Reference document — Secondary reference
3247-051Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 9987-904?
9987-904 is a SEAT,VALVE.
What parts can replace 9987-904?
There are 2 known substitutes for 9987-904: 9987-904 ITEM 33, 3247-051. Substitute compatibility should be verified for your specific system.
What is the NSN for 9987-904?
9987-904 is cataloged in the U.S. Government catalog under NSN 4820-01-270-5826. This indicates validated use in U.S. government and defense supply chains.
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