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A-700679 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A-700679: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, overall_height: 0.503 INCHES NOMINAL IN, body_inside_diameter: 0.094 INCHES NOMINAL IN, body_outside_diameter: 0.500 INCHES NOMINAL IN, seating_surface_shape: FLAT, end_item_identification: 4820-01-147-1172. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-138-5406, 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
A-700679
NSN: 4820-01-138-5406
FSC: 4820 — Valves, Nonpowered
CAGE: 35076 — AIRCRAFT APPLIANCES AND EQUIPMENT LIMITED DIV AIRCRAFT APPLIANCES AND EQUIPMENT LTD. (CAN)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
overall_height0.503 INCHES NOMINAL IN
body_inside_diameter0.094 INCHES NOMINAL IN
body_outside_diameter0.500 INCHES NOMINAL IN
seating_surface_shapeFLAT
end_item_identification4820-01-147-1172
NSN4820-01-138-5406
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A-700679 · 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
•
BODY OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 0.094 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.503 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.094 INCHES NOMINAL IN
END ITEM IDENTIFICATION4820-01-147-1172
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
SEATING SURFACE SHAPEFLAT
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A-700679?
A-700679 is a SEAT,VALVE.
What is the NSN for A-700679?
A-700679 is cataloged in the U.S. Government catalog under NSN 4820-01-138-5406. 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.