Flange Seat to Disk End Height: 0.125 INCHES NOMINAL IN
Flange Diameter: 1.125 INCHES NOMINAL IN
FSC Application Data: OXYGEN STORAGE TANK PURGING UNITS,AIR
Body Outside Diameter: 0.875 INCHES NOMINAL IN
Criticality Code Justification: ZZZY
Style Designator: PLAIN FLANGED
Body Inside Diameter: 0.750 INCHES NOMINAL IN
Identification
NSN: 4820-00-106-8930
NIIN: 001068930
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Seat,valve, cataloged under National Stock Number 4820-00-106-8930, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
4820-00-106-8930
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Flange Seat to Disk End Height
0.125 INCHES NOMINAL IN
Flange Diameter
1.125 INCHES NOMINAL IN
FSC Application Data
OXYGEN STORAGE TANK PURGING UNITS,AIR
Body Outside Diameter
0.875 INCHES NOMINAL IN
Criticality Code Justification
ZZZY
Style Designator
PLAIN FLANGED
Body Inside Diameter
0.750 INCHES NOMINAL IN
Under Flange Height
0.281 INCHES NOMINAL IN
Material
PLASTIC BODY
Seat Angle in Deg
30.000 NOMINAL
Reference Number Differentiating Characteristics
CRITICAL CLEANING IS REQUIRED
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
Y
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-020-022915833-04VPOSSIBLE MATCH
ELBOW,TUBE
Possible match (shared part number)Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5930-01-160-712611462790POSSIBLE MATCH
SWITCH,THERMOSTATIC
Possible match (shared part number)Us Army Aviation and Missile Command
4730-01-165-487315833-12WPOSSIBLE MATCH
ELBOW,TUBE
Possible match (shared part number)Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
3040-01-340-264815-833POSSIBLE MATCH
SPINDLE,MECHANICALLY ACTUATED
Possible match (shared part number)Delta Intl Machinery Corp
5995-01-660-69431583-3POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
Possible match (shared part number)Tegam, Inc.
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
15833
3/1Design control — primary reference
Provision, Inc. Dba Provision Inc
Related Parts
4730-01-020-0229POSSIBLE MATCH
ELBOW,TUBE
15833-04V
5930-01-160-7126POSSIBLE MATCH
SWITCH,THERMOSTATIC
11462790
4730-01-165-4873POSSIBLE MATCH
ELBOW,TUBE
15833-12W
3040-01-340-2648POSSIBLE MATCH
SPINDLE,MECHANICALLY ACTUATED
15-833
5995-01-660-6943POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
1583-3
Frequently Asked Questions
What is NSN 4820-00-106-8930?
NSN 4820-00-106-8930 is a Seat,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-00-106-8930?
5 possible matches (shared part number, not a government interchangeability claim): 4730-01-020-0229, 5930-01-160-7126, 4730-01-165-4873. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-00-106-8930?
Key specifications for 4820-00-106-8930: Flange Seat to Disk End Height: 0.125 INCHES NOMINAL IN; Flange Diameter: 1.125 INCHES NOMINAL IN; FSC Application Data: OXYGEN STORAGE TANK PURGING UNITS,AIR; Body Outside Diameter: 0.875 INCHES NOMINAL IN. 12 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-106-8930 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.