NSN 4820-00-403-5648 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-403-5648. Manufacturer of record part number: N13283.
Flange Seat to Disk End Height: 2.000 INCHES NOMINAL IN
Style Designator: POPPET
Tip Diameter: 0.422 INCHES NOMINAL IN
Seat Angle: 45.0 DEGREES NOMINAL
Under Flange Height: 1.215 INCHES NOMINAL IN
Material: STEEL
Identification
NSN: 4820-00-403-5648
NIIN: 004035648
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: N13283
Manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
General Description
The Disk,valve, cataloged under National Stock Number 4820-00-403-5648, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-403-5648
Primary Part Number
N13283
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Leslie Controls, Inc. Dba Leslie Controls Inc
Status
ACTIVE
Shank Diameter
0.430 INCHES NOMINAL IN
Flange Seat to Disk End Height
2.000 INCHES NOMINAL IN
Style Designator
POPPET
Tip Diameter
0.422 INCHES NOMINAL IN
Seat Angle
45.0 DEGREES NOMINAL
Under Flange Height
1.215 INCHES NOMINAL IN
Material
STEEL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3020-00-440-041413283POSSIBLE MATCH
GEAR,HELICAL
Possible match (shared part number)Grimes Aerospace Company
5950-00-606-8672722810-23POSSIBLE MATCH
TRANSFORMER,POWER
Possible match (shared part number)Raytheon Company Div Rmd Strategic
5365-00-834-0346NAS42DD3-3POSSIBLE MATCH
SPACER,SLEEVE
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6680-01-013-5946POSSIBLE MATCH
INDICATOR,RATE OF FLOW
Possible match (shared part number)
3040-01-117-73651328-3POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Tyee Aircraft Inc Div Tyee Aircraft
Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Reference documents
Reference
Meaning
13283
5/9Secondary reference
Leslie Controls, Inc. Dba Leslie Controls Inc
Related Parts
3020-00-440-0414POSSIBLE MATCH
GEAR,HELICAL
13283
5950-00-606-8672POSSIBLE MATCH
TRANSFORMER,POWER
722810-23
5365-00-834-0346POSSIBLE MATCH
SPACER,SLEEVE
NAS42DD3-3
6680-01-013-5946POSSIBLE MATCH
INDICATOR,RATE OF FLOW
3040-01-117-7365POSSIBLE MATCH
CONNECTING LINK,RIGID
1328-3
Frequently Asked Questions
What is NSN 4820-00-403-5648?
NSN 4820-00-403-5648 is a Disk,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-403-5648?
NSN 4820-00-403-5648 has 1 manufacturer part number on file: N13283 (Leslie Controls, Inc. Dba Leslie Controls Inc).
What NSN replaces 4820-00-403-5648?
5 possible matches (shared part number, not a government interchangeability claim): 3020-00-440-0414, 5950-00-606-8672, 5365-00-834-0346. Verify interchangeability with system specifications before substitution.
What are the specifications of N13283?
Key specifications for N13283: Shank Diameter: 0.430 INCHES NOMINAL IN; Flange Seat to Disk End Height: 2.000 INCHES NOMINAL IN; Overall Height: 3.313 INCHES NOMINAL IN; Style Designator: POPPET. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-403-5648 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.