NSN 4820-01-329-8657 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-329-8657. Manufacturer of record part number: 112982-1.
Also searched as4820-01-329-8657 ·
4820013298657 ·
NIIN 013298657 ·
01-329-8657 ·
FSC 4820 Valves, Nonpowered · CAGE 14487 · 112982-1
Material Document and Classification: KEL-F-81, COD, CAGEC 14487 MFR REF SINGLE MATERIAL RESPONSE
Media for Which Designed: OXYGEN, LIQUID
Material: PLASTIC POLYCHLOROTRIFLUOROETHYLENE
1 manufacturer part number on file
Manufacturer of record: Provision, Inc. Dba Provision Inc
Identification
NSN: 4820-01-329-8657
NIIN: 013298657
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 112982-1
Manufacturer: Provision, Inc. Dba Provision Inc
General Description
The Disk,valve, cataloged under National Stock Number 4820-01-329-8657, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Provision, Inc. Dba Provision Inc. Government technical data includes 5 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
4820-01-329-8657
Primary Part Number
112982-1
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Provision, Inc. Dba Provision Inc
Status
ACTIVE
Outside Diameter
1.125 INCHES NOMINAL IN
Criticality Code Justification
FEAT
Material Document and Classification
KEL-F-81, COD, CAGEC 14487 MFR REF SINGLE MATERIAL RESPONSE
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 4820-01-329-8657?
NSN 4820-01-329-8657 is a Disk,valve, manufactured by Provision, Inc. Dba Provision Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-329-8657?
NSN 4820-01-329-8657 has 1 manufacturer part number on file: 112982-1 (Provision, Inc. Dba Provision Inc).
What are the specifications of 112982-1?
Key specifications for 112982-1: Outside Diameter: 1.125 INCHES NOMINAL IN; Criticality Code Justification: FEAT; Material Document and Classification: KEL-F-81, COD, CAGEC 14487 MFR REF SINGLE MATERIAL RESPONSE; Special Features: ITEM MUST BE CLEANED AND PACKAGED FOR LIQUID OXYGEN SERVICE. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-329-8657 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.