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8U8017-4 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8U8017-4: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075 OVERALL, flange_diameter: 0.684 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN, special_features: 2 BLEED HOLES, surface_treatment: ANODIZE OVERALL, under_flange_height: 0.085 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN, fsc_application_data: VALVE,LINEAR,DIRECTIONAL CONTROL,ACFT. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-340-0853, 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
8U8017-4
NSN: 4820-00-340-0853
FSC: 4820 — Valves, Nonpowered
CAGE: 60029 — WOODWARD HRT, INC. DBA WOODWARD HRT INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075 OVERALL
flange_diameter0.684 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
special_features2 BLEED HOLES
surface_treatmentANODIZE OVERALL
under_flange_height0.085 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
fsc_application_dataVALVE,LINEAR,DIRECTIONAL CONTROL,ACFT
body_outside_diameter0.363 INCHES MINIMUM AND 0.367 INCHES MAXIMUM IN
seating_surface_shapeFLAT
seal_accommodation_typeRECESSED
body_stepped_inside_diameter0.202 INCHES MINIMUM AND 0.205 INCHES MAXIMUM FIRST STEP IN
flange_seat_to_disk_end_height0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
NSN4820-00-340-0853
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8U8017-4 · 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: 0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
•
FLANGE DIAMETER: 0.684 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
•
FSC APPLICATION DATA: VALVE,LINEAR,DIRECTIONAL CONTROL,ACFT
•
BODY OUTSIDE DIAMETER: 0.363 INCHES MINIMUM AND 0.367 INCHES MAXIMUM IN
•
SEAL ACCOMMODATION TYPE: RECESSED
•
BODY STEPPED INSIDE DIAMETER: 0.202 INCHES MINIMUM AND 0.205 INCHES MAXIMUM FIRST STEP IN
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
FLANGE DIAMETER0.684 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
FSC APPLICATION DATAVALVE,LINEAR,DIRECTIONAL CONTROL,ACFT
BODY OUTSIDE DIAMETER0.363 INCHES MINIMUM AND 0.367 INCHES MAXIMUM IN
SEAL ACCOMMODATION TYPERECESSED
BODY STEPPED INSIDE DIAMETER0.202 INCHES MINIMUM AND 0.205 INCHES MAXIMUM FIRST STEP IN
BODY STEPPED INSIDE DIAMETER0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM SECOND STEP IN
SPECIAL FEATURES2 BLEED HOLES
SURFACE TREATMENTANODIZE OVERALL
UNDER FLANGE HEIGHT0.085 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 8U8017-4?
8U8017-4 is a SEAT,VALVE.
What is the NSN for 8U8017-4?
8U8017-4 is cataloged in the U.S. Government catalog under NSN 4820-00-340-0853. 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.