NSN 4820-01-721-3205 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-721-3205. Manufacturer of record part number: V1-1343480G.
Also searched as4820-01-721-3205 ·
4820017213205 ·
NIIN 017213205 ·
01-721-3205 ·
FSC 4820 Valves, Nonpowered · CAGE 880W5 · V1-1343480G
Nominal Outside Diameter: 6.75 INCHES SECOND END IN
Valve Operation Method: MANUAL
1 manufacturer part number on file
Manufacturer of record: Certified Stainless Service, Inc. Dba West-Mark Div West-Mark
Identification
NSN: 4820-01-721-3205
NIIN: 017213205
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: V1-1343480G
Manufacturer: Certified Stainless Service, Inc. Dba West-Mark Div West-Mark
General Description
The Valve,stop-Check, cataloged under National Stock Number 4820-01-721-3205, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Certified Stainless Service, Inc. Dba West-Mark Div West-Mark. 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
4820-01-721-3205
Primary Part Number
V1-1343480G
Item Name
Valve,stop-Check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Certified Stainless Service, Inc. Dba West-Mark Div West-Mark
Certified Stainless Service, Inc. Dba West-Mark Div West-Mark (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 4820-01-721-3205?
NSN 4820-01-721-3205 is a Valve,stop-Check, manufactured by Certified Stainless Service, Inc. Dba West-Mark Div West-Mark, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-721-3205?
NSN 4820-01-721-3205 has 1 manufacturer part number on file: V1-1343480G (Certified Stainless Service, Inc. Dba West-Mark Div West-Mark).
What are the specifications of V1-1343480G?
Key specifications for V1-1343480G: Flange Shape: ROUND WITH HOLES SECOND END; Connection Type: FLANGE SECOND END; Valve Size: 4.0 INCHES IN; Nominal Outside Diameter: 6.75 INCHES SECOND END IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-721-3205 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.