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NSN 4820-01-157-2953Government record, cited

Seat, Valve4820-01-157-2953

NSN 4820-01-157-2953 · NIIN 011572953 · Part number 80027-3
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 28968
Government record, cited
NSN 4820-01-157-2953 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-157-2953. Manufacturer of record part number: 80027-3.
Also searched as  4820-01-157-2953 · 4820011572953 · NIIN 011572953 · 01-157-2953 · FSC 4820 Valves, Nonpowered · CAGE 28968 · 80027-3
Nearby stock numbers  ·
Features
  • Seat,valve — FSC 4820
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • 1 manufacturer part number on file
  • Manufacturer of record: Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
Identification
  • NSN: 4820-01-157-2953
  • NIIN: 011572953
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 80027-3
  • Manufacturer: Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-157-2953, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 1 specification, 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
NSN4820-01-157-2953
Primary Part Number80027-3
Item NameSeat,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerCircor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
StatusACTIVE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
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
80027-3 PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
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 4820-01-157-2953?

NSN 4820-01-157-2953 is a Seat,valve, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-157-2953?

NSN 4820-01-157-2953 has 1 manufacturer part number on file: 80027-3 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).

What are the specifications of 80027-3?

Key specifications for 80027-3: Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-157-2953 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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