NSN 4820-01-453-4681 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-453-4681. Manufacturer of record part number: 493 1-1/2IN.
Bolt Circle Nominal Diameter: 4.500 INCHES ALL ENDS IN
Connection Type: FLANGE ALL ENDS
Style Designator: STRAIGHT THRU FLANGED ENDS
Identification
NSN: 4820-01-453-4681
NIIN: 014534681
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 493 1-1/2IN
Manufacturer: Flowserve Inc
General Description
The Valve,globe, cataloged under National Stock Number 4820-01-453-4681, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flowserve Inc. Government technical data includes 22 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.
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
Related Parts in Valves
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
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
D559A3M2
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 4820-01-453-4681?
NSN 4820-01-453-4681 is a Valve,globe, manufactured by Flowserve Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-453-4681?
NSN 4820-01-453-4681 has 1 manufacturer part number on file: 493 1-1/2IN (Flowserve Inc).
What are the specifications of 493 1-1/2IN?
Key specifications for 493 1-1/2IN: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES ALL ENDS; Furnished Items and Quantity: 1 HANDWHEEL; Flange Face Design: RAISED STRAIGHT ALL ENDS. 22 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-453-4681 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.