NSN 4820-01-337-0070 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-337-0070. Manufacturer of record part number: MC18275.
Also searched as4820-01-337-0070 ·
4820013370070 ·
NIIN 013370070 ·
01-337-0070 ·
FSC 4820 Valves, Nonpowered · CAGE 76050 · MC18275
Manufacturer of record: Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace
Identification
NSN: 4820-01-337-0070
NIIN: 013370070
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: MC18275
Manufacturer: Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace
General Description
The Seat,valve, cataloged under National Stock Number 4820-01-337-0070, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace. Government technical data includes 3 specifications, 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
Parameter
Value
NSN
4820-01-337-0070
Primary Part Number
MC18275
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace
Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace (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 4820-01-337-0070?
NSN 4820-01-337-0070 is a Seat,valve, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-337-0070?
NSN 4820-01-337-0070 has 1 manufacturer part number on file: MC18275 (Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace).
What are the specifications of MC18275?
Key specifications for MC18275: Overall Height: 0.900 INCHES NOMINAL IN; Body Outside Diameter: 1.400 INCHES NOMINAL IN; Style Designator: PLAIN; Material: STEEL CORROSION RESISTING SEAT. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-337-0070 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.