NSN 4820-01-171-6985 · NIIN 011716985 · Part number 311355000
Imi Cornelius Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 51267
Government record, cited
NSN 4820-01-171-6985 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-171-6985. Manufacturer of record part number: 311355000.
General Characteristics Item Description: MATL RUBBER AND COPPER; RD SHAPE W/PROTRUDING COPPER CONTACT; OD 0.725 IN.; O/A LG 1.530 IN. IN
1 manufacturer part number on file
Manufacturer of record: Imi Cornelius Inc.
Identification
NSN: 4820-01-171-6985
NIIN: 011716985
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 311355000
Manufacturer: Imi Cornelius Inc.
General Description
The Valve,inlet, cataloged under National Stock Number 4820-01-171-6985, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Imi Cornelius Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
4820-01-171-6985
Primary Part Number
311355000
Item Name
Valve,inlet
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Imi Cornelius Inc.
Status
ACTIVE
General Characteristics Item Description
MATL RUBBER AND COPPER; RD SHAPE W/PROTRUDING COPPER CONTACT; OD 0.725 IN.; O/A LG 1.530 IN. IN
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 4820-01-171-6985?
NSN 4820-01-171-6985 is a Valve,inlet, manufactured by Imi Cornelius Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-171-6985?
NSN 4820-01-171-6985 has 1 manufacturer part number on file: 311355000 (Imi Cornelius Inc.).
What are the specifications of 311355000?
Key specifications for 311355000: General Characteristics Item Description: MATL RUBBER AND COPPER; RD SHAPE W/PROTRUDING COPPER CONTACT; OD 0.725 IN.; O/A LG 1.530 IN. IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-171-6985 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.