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NSN 4820-01-138-5406Government record, cited

Seat, Valve4820-01-138-5406

NSN 4820-01-138-5406 · NIIN 011385406 · Part number A-700679
Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 35076
Government record, cited
NSN 4820-01-138-5406 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-138-5406. Manufacturer of record part number: A-700679.
Also searched as  4820-01-138-5406 · 4820011385406 · NIIN 011385406 · 01-138-5406 · FSC 4820 Valves, Nonpowered · CAGE 35076 · A-700679
Nearby stock numbers  ·
Features
  • Seat,valve — FSC 4820
  • Body Outside Diameter: 0.500 INCHES NOMINAL IN
  • Body Inside Diameter: 0.094 INCHES NOMINAL IN
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Seating Surface Shape: FLAT
  • 1 manufacturer part number on file
  • Manufacturer of record: Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.
Identification
  • NSN: 4820-01-138-5406
  • NIIN: 011385406
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: A-700679
  • Manufacturer: Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-138-5406, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-138-5406
Primary Part NumberA-700679
Item NameSeat,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerAircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.
StatusACTIVE
Body Outside Diameter0.500 INCHES NOMINAL IN
Body Inside Diameter0.094 INCHES NOMINAL IN
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Seating Surface ShapeFLAT
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
A-700679 PRIMARY Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. (CAN)
No interchangeability data on file.
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
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-138-5406?

NSN 4820-01-138-5406 is a Seat,valve, manufactured by Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-138-5406?

NSN 4820-01-138-5406 has 1 manufacturer part number on file: A-700679 (Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.).

What are the specifications of A-700679?

Key specifications for A-700679: Overall Height: 0.503 INCHES NOMINAL IN; Body Outside Diameter: 0.500 INCHES NOMINAL IN; Body Inside Diameter: 0.094 INCHES NOMINAL IN; End Item Identification: 4820-01-147-1172. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-138-5406 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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