Valve, Restrictor Check 4820-01-215-2144 NSN 4820-01-215-2144 · NIIN 012152144 · Part number STC90893-1
Spec Tool Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 07132
NSN 4820-01-215-2144 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-215-2144. Manufacturer of record part number: STC90893-1 .
Also searched as
4820-01-215-2144 ·
4820012152144 ·
NIIN 012152144 ·
01-215-2144 ·
FSC 4820 Valves, Nonpowered · CAGE 07132 · STC90893-1 · STC90893
Nearby stock numbers
← 4820-01-215-2141 Valve, Butterfly
·
4820-01-215-2145 Valve, Ball →
4820-01-215-2144 — Valves, Nonpowered
Features
Valve,restrictor Check — FSC 4820 Valve Operation Method: AUTOMATIC 1 manufacturer part number on file Manufacturer of record: Spec Tool Company
Identification
NSN: 4820-01-215-2144
NIIN: 012152144
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: STC90893-1
Manufacturer: Spec Tool Company
General Description
The Valve,restrictor Check, cataloged under National Stock Number 4820-01-215-2144, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Spec Tool Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter Value NSN 4820-01-215-2144 Primary Part Number STC90893-1 Item Name Valve,restrictor Check FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Spec Tool Company Status ACTIVE Valve Operation Method AUTOMATIC
Lifecycle & Compliance
Acquisition Status ACTIVE DEMIL Code DEMIL A — No Demilitarization Required Hazard No hazard code in the DLA record (HMIC N) Criticality Code X
Cross-Reference Index
Part Number Manufacturer
STC90893-1 PRIMARY Spec Tool Company (USA)
Reference documents
Reference Meaning
STC90893
D/9 Drawing number reference only Spec Tool Company
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 4820-01-215-2144?
NSN 4820-01-215-2144 is a Valve,restrictor Check, manufactured by Spec Tool Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-215-2144?
NSN 4820-01-215-2144 has 1 manufacturer part number on file: STC90893-1 (Spec Tool Company).
What are the specifications of STC90893-1?
Key specifications for STC90893-1: Valve Operation Method: AUTOMATIC. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-215-2144 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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