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NSN 4820-00-226-8729Government record, cited
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Disk, Valve4820-00-226-8729

NSN 4820-00-226-8729 · NIIN 002268729
FSC 4820 — Valves, Nonpowered · FSG 48 — Valves
Government record, cited
Also searched as  4820-00-226-8729 · 4820002268729 · NIIN 002268729 · 00-226-8729 · FSC 4820 Valves, Nonpowered
Nearby stock numbers  ·
⌀0.121 INCHES NOMINAL IN GATE VALVE PROFILE
4820-00-226-8729 — Valves, Nonpowered
Features
  • Disk,valve — FSC 4820
  • Shank Diameter: 0.121 INCHES NOMINAL IN
  • Flange Seat to Disk End Height: 0.406 INCHES NOMINAL IN
  • Flange Diameter: 0.156 INCHES NOMINAL IN
  • Style Designator: CONE CHECK
  • Seat Angle: 30.0 DEGREES NOMINAL
  • Under Flange Height: 0.156 INCHES NOMINAL IN
  • Material: COPPER ALLOY AND RUBBER SYNTHETIC
Identification
  • NSN: 4820-00-226-8729
  • NIIN: 002268729
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-226-8729, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-226-8729
Item NameDisk,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
StatusACTIVE
Shank Diameter0.121 INCHES NOMINAL IN
Flange Seat to Disk End Height0.406 INCHES NOMINAL IN
Flange Diameter0.156 INCHES NOMINAL IN
Style DesignatorCONE CHECK
Seat Angle30.0 DEGREES NOMINAL
Under Flange Height0.156 INCHES NOMINAL IN
MaterialCOPPER ALLOY AND RUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 12
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-00-434-679925365 POSSIBLE MATCH
NUT,PLAIN,HEXAGON
Possible match (shared part number)Honeywell International Inc. Div Aerospace - Torrance
5950-00-521-1547 POSSIBLE MATCH
TRANSFORMER,POWER
Possible match (shared part number)
5310-01-232-0362 POSSIBLE MATCH
NUT,SELF-LOCKING,HEXAGON
Possible match (shared part number)
4820-01-245-5438 POSSIBLE MATCH
VALVE,GLOBE
Possible match (shared part number)
3040-01-250-86172536-5 PIECE 72 POSSIBLE MATCH
ACTUATOR,MECHANICAL,NONAIRCRAFT
Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc
3020-01-250-86192536-5 PIECE 69 POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc
4820-01-251-266004103719 POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division
4820-01-251-568904113329 POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division
4820-01-269-162704133844 POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division
3040-01-545-884925365 POSSIBLE MATCH
ACCUMULATOR,HYDRAULIC
Possible match (shared part number)Parker Hannifin Corp Dba Pneutronics
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
25365 3/2 Design control — primary reference
U.S. Government activity
Related Parts
5310-00-434-6799POSSIBLE MATCH
NUT,PLAIN,HEXAGON
25365
5950-00-521-1547POSSIBLE MATCH
TRANSFORMER,POWER
5310-01-232-0362POSSIBLE MATCH
NUT,SELF-LOCKING,HEXAGON
4820-01-245-5438POSSIBLE MATCH
VALVE,GLOBE
3040-01-250-8617POSSIBLE MATCH
ACTUATOR,MECHANICAL,NONAIRCRAFT
2536-5 PIECE 72
3020-01-250-8619POSSIBLE MATCH
GEAR,SPUR
2536-5 PIECE 69
4820-01-251-2660POSSIBLE MATCH
DISK,VALVE
04103719
4820-01-251-5689POSSIBLE MATCH
SEAT,VALVE
04113329
4820-01-269-1627POSSIBLE MATCH
CAP,VALVE
04133844
3040-01-545-8849POSSIBLE MATCH
ACCUMULATOR,HYDRAULIC
25365
5331-01-687-6758POSSIBLE MATCH
O-RING
25-365
3120-01-691-1119POSSIBLE MATCH
BEARING,WASHER,THRUST
25365

Frequently Asked Questions

What is NSN 4820-00-226-8729?

NSN 4820-00-226-8729 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-00-226-8729?

12 possible matches (shared part number, not a government interchangeability claim): 5310-00-434-6799, 5950-00-521-1547, 5310-01-232-0362. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-00-226-8729?

Key specifications for 4820-00-226-8729: Shank Diameter: 0.121 INCHES NOMINAL IN; Flange Seat to Disk End Height: 0.406 INCHES NOMINAL IN; Flange Diameter: 0.156 INCHES NOMINAL IN; Overall Height: 0.562 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-226-8729 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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