NSN 4820-01-220-6437 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-220-6437. Manufacturer of record part number: 236-01.
Also searched as4820-01-220-6437 ·
4820012206437 ·
NIIN 012206437 ·
01-220-6437 ·
FSC 4820 Valves, Nonpowered · CAGE 55378 · 236-01
Manufacturer of record: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Identification
NSN: 4820-01-220-6437
NIIN: 012206437
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 236-01
Manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
General Description
The Seat,valve, cataloged under National Stock Number 4820-01-220-6437, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Seat,valve
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (CAGE 55378)
Technical Specifications
Parameter
Value
NSN
4820-01-220-6437
Primary Part Number
236-01
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4710-01-232-601233749POSSIBLE MATCH
TUBE ASSEMBLY,METAL
Possible match (shared part number)Westerbeke Corporation
5331-01-269-4373POSSIBLE MATCH
O-RING
Possible match (shared part number)
5307-01-699-6117POSSIBLE MATCH
STUD,PLAIN
Possible match (shared part number)
3040-01-732-525160022-1POSSIBLE MATCH
CAM,CONTROL
Possible match (shared part number)Md Helicopters Inc
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
4710-01-232-6012POSSIBLE MATCH
TUBE ASSEMBLY,METAL
33749
5331-01-269-4373POSSIBLE MATCH
O-RING
5307-01-699-6117POSSIBLE MATCH
STUD,PLAIN
3040-01-732-5251POSSIBLE MATCH
CAM,CONTROL
60022-1
Frequently Asked Questions
What is NSN 4820-01-220-6437?
NSN 4820-01-220-6437 is a Seat,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 4820-01-220-6437?
NSN 4820-01-220-6437 has 1 manufacturer part number on file: 236-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
What NSN replaces 4820-01-220-6437?
4 possible matches (shared part number, not a government interchangeability claim): 4710-01-232-6012, 5331-01-269-4373, 5307-01-699-6117. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-220-6437 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.