NSN 4820-01-425-7234 · NIIN 014257234 · Part number E131020000
Triumph Thermal Systems - Maryland, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 01359
Government record, cited
NSN 4820-01-425-7234 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-425-7234. Manufacturer of record part number: E131020000.
Nearby stock numbers← 4820-01-425-7142
·
4820-01-425-7454 Plug, Pilot Valve →
4820-01-425-7234 — Valves, Nonpowered
Features
Valve,check — FSC 4820
Opening Pressure Setting: 55.0 POUNDS PER SQUARE INCH LBS
2 manufacturer part numbers on file
Manufacturer of record: Triumph Thermal Systems - Maryland, Inc.
Identification
NSN: 4820-01-425-7234
NIIN: 014257234
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: E131020000
Manufacturer: Triumph Thermal Systems - Maryland, Inc.
General Description
The Valve,check, cataloged under National Stock Number 4820-01-425-7234, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Triumph Thermal Systems - Maryland, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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 4820-01-425-7234?
NSN 4820-01-425-7234 is a Valve,check, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-425-7234?
NSN 4820-01-425-7234 has 2 manufacturer part numbers on file: E131020000 (Triumph Thermal Systems - Maryland, Inc.), 7-511A21520-1 (The Boeing Company).
What are the specifications of E131020000?
Key specifications for E131020000: End Item Identification: USED ON AH-64A A; Opening Pressure Setting: 55.0 POUNDS PER SQUARE INCH LBS. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-425-7234 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.