NSN 4820-00-586-3885 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-586-3885. Manufacturer of record part number: N22553.
Flange Seat to Disk End Height: 0.190 INCHES NOMINAL IN
Flange Diameter: 0.982 INCHES NOMINAL IN
Body Outside Diameter: 0.834 INCHES NOMINAL IN
Style Designator: PLAIN FLANGED
Body Inside Diameter: 0.545 INCHES NOMINAL IN
Under Flange Height: 0.274 INCHES NOMINAL IN
Material: RUBBER SYNTHETIC OVERALL
Identification
NSN: 4820-00-586-3885
NIIN: 005863885
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: N22553
Manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
General Description
The Seat,valve, cataloged under National Stock Number 4820-00-586-3885, 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 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
4820-00-586-3885
Primary Part Number
N22553
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Leslie Controls, Inc. Dba Leslie Controls Inc
Status
ACTIVE
Flange Seat to Disk End Height
0.190 INCHES NOMINAL IN
Flange Diameter
0.982 INCHES NOMINAL IN
Body Outside Diameter
0.834 INCHES NOMINAL IN
Style Designator
PLAIN FLANGED
Body Inside Diameter
0.545 INCHES NOMINAL IN
Under Flange Height
0.274 INCHES NOMINAL IN
Material
RUBBER SYNTHETIC OVERALL
Seat Angle in Deg
37.000 NOMINAL
Seating Surface Shape
ANGULAR
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 Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5360-00-868-690222553POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
Possible match (shared part number)Cadillac Gage Textron Inc.
5330-01-141-8444POSSIBLE MATCH
GASKET
Possible match (shared part number)
3010-01-225-158422553POSSIBLE MATCH
COUPLING,SHAFT,RIGID
Possible match (shared part number)Paccar Winch Inc Dba Paccar Winch Division
5365-01-329-451922553POSSIBLE MATCH
SPACER,RING
Possible match (shared part number)Parker Hannifin Corporation Div Hydraulic Systems Division
6515-01-337-99302255-3POSSIBLE MATCH
ELECTRODE,ELECTROCARDIOGRAPH
Possible match (shared part number)3m Company Div Health Care Business
5998-01-371-683422553POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)Anritsu Instruments Company Div Mbu
9390-01-406-56212-2553POSSIBLE MATCH
NONMETALLIC ROD
Possible match (shared part number)Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions
5970-01-504-1253PT2255-3 7/8INPOSSIBLE MATCH
TAPE,INSULATION,ELECTRICAL
Possible match (shared part number)Saint-Gobain Performance Plastics Corp Div Composites
Lineta Engineering Und Handelsgesell-Schaft Mbh (DEU)
Reference documents
Reference
Meaning
10707NREVBPC2
5/9Secondary reference
Leslie Controls, Inc. Dba Leslie Controls Inc
10706NREVAPC6-6A
5/9Secondary reference
Leslie Controls, Inc. Dba Leslie Controls Inc
575-4824-1569874REVBPC2
3/2Design control — primary reference
U.S. Government activity
3288571REVAPC6-6A
3/2Design control — primary reference
U.S. Government activity
22553
5/9Secondary reference
Leslie Controls, Inc. Dba Leslie Controls Inc
Related Parts
5360-00-868-6902POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
22553
5330-01-141-8444POSSIBLE MATCH
GASKET
3010-01-225-1584POSSIBLE MATCH
COUPLING,SHAFT,RIGID
22553
5365-01-329-4519POSSIBLE MATCH
SPACER,RING
22553
6515-01-337-9930POSSIBLE MATCH
ELECTRODE,ELECTROCARDIOGRAPH
2255-3
5998-01-371-6834POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
22553
9390-01-406-5621POSSIBLE MATCH
NONMETALLIC ROD
2-2553
5970-01-504-1253POSSIBLE MATCH
TAPE,INSULATION,ELECTRICAL
PT2255-3 7/8IN
Frequently Asked Questions
What is NSN 4820-00-586-3885?
NSN 4820-00-586-3885 is a Seat,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 4820-00-586-3885?
NSN 4820-00-586-3885 has 2 manufacturer part numbers on file: N22553 (Leslie Controls, Inc. Dba Leslie Controls Inc), 22553 (Lineta Engineering Und Handelsgesell-Schaft Mbh).
What NSN replaces 4820-00-586-3885?
8 possible matches (shared part number, not a government interchangeability claim): 5360-00-868-6902, 5330-01-141-8444, 3010-01-225-1584. Verify interchangeability with system specifications before substitution.
What are the specifications of N22553?
Key specifications for N22553: Flange Seat to Disk End Height: 0.190 INCHES NOMINAL IN; Flange Diameter: 0.982 INCHES NOMINAL IN; Body Outside Diameter: 0.834 INCHES NOMINAL IN; Style Designator: PLAIN FLANGED. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-586-3885 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.