NSN 4820-01-290-6495 · NIIN 012906495 · Part number 1632137-1
Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 8X044
Government record, cited
NSN 4820-01-290-6495 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-290-6495. Manufacturer of record part number: 1632137-1.
Also searched as4820-01-290-6495 ·
4820012906495 ·
NIIN 012906495 ·
01-290-6495 ·
FSC 4820 Valves, Nonpowered · CAGE 8X044 · 1632137-1
Manufacturer of record: Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company
Identification
NSN: 4820-01-290-6495
NIIN: 012906495
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1632137-1
Manufacturer: Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company
General Description
The Valve,check, cataloged under National Stock Number 4820-01-290-6495, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
4820-01-290-6495
Primary Part Number
1632137-1
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company
Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company (USA)
Reference documents
Reference
Meaning
1632137-1
3/2Design control — primary reference
U.S. Government activity
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 4820-01-290-6495?
NSN 4820-01-290-6495 is a Valve,check, manufactured by Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-290-6495?
NSN 4820-01-290-6495 has 1 manufacturer part number on file: 1632137-1 (Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company).
What are the specifications of 1632137-1?
Key specifications for 1632137-1: Special Features: VALVE OPERATION METHOD - AIR. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-290-6495 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.