NSN 4820-01-239-9226 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-239-9226. Manufacturer of record part number: 1023-00.
Also searched as4820-01-239-9226 ·
4820012399226 ·
NIIN 012399226 ·
01-239-9226 ·
FSC 4820 Valves, Nonpowered · CAGE 55378 · 1023-00
Material Document and Classification: QQ-S-763, CLASS 440C, COND A FED SPEC SINGLE MATERIAL RESPONSE
Material: STEEL COMP 440C
1 manufacturer part number on file
Manufacturer of record: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Identification
NSN: 4820-01-239-9226
NIIN: 012399226
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1023-00
Manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
General Description
The Disk,valve, cataloged under National Stock Number 4820-01-239-9226, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 2 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. 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
4820-01-239-9226
Primary Part Number
1023-00
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Status
ACTIVE
Material Document and Classification
QQ-S-763, CLASS 440C, COND A FED SPEC SINGLE MATERIAL RESPONSE
Material
STEEL COMP 440C
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.
5340-01-345-8734102300POSSIBLE MATCH
LEVER,MANUAL CONTROL
Possible match (shared part number)Meggitt North Hollywood Inc
6635-01-509-4080RTR-4NLPOSSIBLE MATCH
X-RAY APPARATUS,RADIOGRAPHIC,IND
Possible match (shared part number)Science Applications International Corporation Dba Saic
5310-01-515-435710-2300POSSIBLE MATCH
NUT,SELF-LOCKING,CAP
Possible match (shared part number)Parker Hannifin Corporation Div Village Marine Tech
5310-01-540-3304POSSIBLE MATCH
NUT,SELF-LOCKING,CAP
Possible match (shared part number)
5820-01-557-3384102300POSSIBLE MATCH
RECEIVER-TRANSMITTER,RADIO
Possible match (shared part number)Hii Unmanned Systems, Inc
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5340-01-345-8734POSSIBLE MATCH
LEVER,MANUAL CONTROL
102300
6635-01-509-4080POSSIBLE MATCH
X-RAY APPARATUS,RADIOGRAPHIC,IND
RTR-4NL
5310-01-515-4357POSSIBLE MATCH
NUT,SELF-LOCKING,CAP
10-2300
5310-01-540-3304POSSIBLE MATCH
NUT,SELF-LOCKING,CAP
5820-01-557-3384POSSIBLE MATCH
RECEIVER-TRANSMITTER,RADIO
102300
Frequently Asked Questions
What is NSN 4820-01-239-9226?
NSN 4820-01-239-9226 is a Disk,valve, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-239-9226?
NSN 4820-01-239-9226 has 1 manufacturer part number on file: 1023-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
What NSN replaces 4820-01-239-9226?
5 possible matches (shared part number, not a government interchangeability claim): 5340-01-345-8734, 6635-01-509-4080, 5310-01-515-4357. Verify interchangeability with system specifications before substitution.
What are the specifications of 1023-00?
Key specifications for 1023-00: Material Document and Classification: QQ-S-763, CLASS 440C, COND A FED SPEC SINGLE MATERIAL RESPONSE; Material: STEEL COMP 440C. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-239-9226 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.