NSN 4820-01-357-6055 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-357-6055. Manufacturer of record part number: W5-274B.
Nominal Pipe Size Accommodated: 1.000 INCHES ALL ENDS IN
Connection Style: SOCKET ALL ENDS
Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
Style Designator: STRAIGHT THRU
Operating Pressure: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Bonnet Type: OUTSIDE SCREW-YOKE
Bonnet Attachment Method: BOLTED
Identification
NSN: 4820-01-357-6055
NIIN: 013576055
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: W5-274B
Manufacturer: Velan Valve Corp.
General Description
The Valve,globe, cataloged under National Stock Number 4820-01-357-6055, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
4820-01-357-6055
Primary Part Number
W5-274B
Item Name
Valve,globe
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Velan Valve Corp.
Status
ACTIVE
Nominal Pipe Size Accommodated
1.000 INCHES ALL ENDS IN
Connection Style
SOCKET ALL ENDS
Connection Type
UNTHREADED INTERNAL PIPE ALL ENDS
Style Designator
STRAIGHT THRU
Operating Pressure
600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
C/1Advisory reference — outside the item-of-supply concept
Velan Valve Corp.
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 4820-01-357-6055?
NSN 4820-01-357-6055 is a Valve,globe, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-357-6055?
NSN 4820-01-357-6055 has 2 manufacturer part numbers on file: W274B-1 (Velan Valve Corp.), W5-274B (Velan Valve Corp.).
What are the specifications of W5-274B?
Key specifications for W5-274B: Nominal Pipe Size Accommodated: 1.000 INCHES ALL ENDS IN; Connection Style: SOCKET ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-357-6055 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.