Ring, Operator, Valve 4820-01-116-5878 NSN 4820-01-116-5878 · NIIN 011165878 · Part number WSM-212
Smalley Steel Ring Co. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 51814
NSN 4820-01-116-5878 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-116-5878. Manufacturer of record part number: WSM-212 .
Also searched as
4820-01-116-5878 ·
4820011165878 ·
NIIN 011165878 ·
01-116-5878 ·
FSC 4820 Valves, Nonpowered · CAGE 51814 · WSM-212 · M27426-2134A
Nearby stock numbers
← 4820-01-116-5864
·
4820-01-116-5879 Cap, Valve →
4820-01-116-5878 — Valves, Nonpowered
Features
Ring,operator,valve — FSC 4820 1 manufacturer part number on file Manufacturer of record: Smalley Steel Ring Co.
Identification
NSN: 4820-01-116-5878
NIIN: 011165878
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: WSM-212
Manufacturer: Smalley Steel Ring Co.
General Description
The Ring,operator,valve, cataloged under National Stock Number 4820-01-116-5878, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Smalley Steel Ring Co.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Catalog Facts
Item Name Ring,operator,valve FSC / FSG 4820 — Valves, Nonpowered (FSG 48) Manufacturers Smalley Steel Ring Co. (CAGE 51814)
Technical Specifications
Parameter Value NSN 4820-01-116-5878 Primary Part Number WSM-212 Item Name Ring,operator,valve FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Smalley Steel Ring Co. Status ACTIVE
Lifecycle & Compliance
Acquisition Status ACTIVE DEMIL Code DEMIL A — No Demilitarization Required Hazard No hazard code in the DLA record (HMIC N)
Cross-Reference Index
Part Number Manufacturer
WSM-212 PRIMARY Smalley Steel Ring Co. (USA)
Reference documents
Reference Meaning
M27426-2134A
C/1 Advisory reference — outside the item-of-supply concept 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 4820-01-116-5878?
NSN 4820-01-116-5878 is a Ring,operator,valve, manufactured by Smalley Steel Ring Co., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-116-5878?
NSN 4820-01-116-5878 has 1 manufacturer part number on file: WSM-212 (Smalley Steel Ring Co.).
Is NSN 4820-01-116-5878 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.
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