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3162021-1 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3162021-1: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, seat_angle_in_deg: 29.000 MINIMUM AND 31.000 MAXIMUM, fsc_application_data: OXYGEN SYSTEM,AIRCRAFT, seating_surface_shape: ANGULAR, end_item_identification: VALVE,PART NO. 898676-3-1, material_document_and_classification: QQ-S-763,CLASS 347 FED SPEC SINGLE MATERIAL RESPONSE OVERALL.

This part is cataloged in the U.S. Government catalog under NSN 4820-00-302-3091, 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
3162021-1
NSN: 4820-00-302-3091
FSC: 4820 — Valves, Nonpowered
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialSTEEL OVERALL
seat_angle_in_deg29.000 MINIMUM AND 31.000 MAXIMUM
fsc_application_dataOXYGEN SYSTEM,AIRCRAFT
seating_surface_shapeANGULAR
end_item_identificationVALVE,PART NO. 898676-3-1
material_document_and_classificationQQ-S-763,CLASS 347 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4820-00-302-3091
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3162021-1 · 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
•
FSC APPLICATION DATA: OXYGEN SYSTEM,AIRCRAFT
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,CLASS 347 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
SEAT ANGLE IN DEG: 29.000 MINIMUM AND 31.000 MAXIMUM
•
SEATING SURFACE SHAPE: ANGULAR
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAOXYGEN SYSTEM,AIRCRAFT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 347 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
END ITEM IDENTIFICATIONVALVE,PART NO. 898676-3-1
MATERIALSTEEL OVERALL
SEAT ANGLE IN DEG29.000 MINIMUM AND 31.000 MAXIMUM
SEATING SURFACE SHAPEANGULAR
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3162021-1?
3162021-1 is a SEAT,VALVE.
What is the NSN for 3162021-1?
3162021-1 is cataloged in the U.S. Government catalog under NSN 4820-00-302-3091. 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.