NSN 4820-01-540-0714 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-540-0714. Manufacturer of record part number: 1P454-1.
Manufacturer of record: Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division
Identification
NSN: 4820-01-540-0714
NIIN: 015400714
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1P454-1
Manufacturer: Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division
General Description
The Valve,relief,pres, cataloged under National Stock Number 4820-01-540-0714, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-540-0714
Primary Part Number
1P454-1
Item Name
Valve,relief,pres
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division
Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division (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 4820-01-540-0714?
NSN 4820-01-540-0714 is a Valve,relief,pres, manufactured by Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-540-0714?
NSN 4820-01-540-0714 has 2 manufacturer part numbers on file: 490230 (Westfield Hydraulics Inc Dba Westfield Hydraulics Inc), 1P454-1 (Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division).
What are the specifications of 1P454-1?
Key specifications for 1P454-1: Special Features: ACTION ID 45545236; Part Name Assigned by Controlling Agency: VALVE,RELIEF,PRES. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-540-0714 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.