NSN 4820-01-453-4126 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-453-4126. Manufacturer of record part number: 21030536.
Manufacturer of record: Mcnaughton Dynamics Limited
Identification
NSN: 4820-01-453-4126
NIIN: 014534126
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 21030536
Manufacturer: Mcnaughton Dynamics Limited
General Description
The Stem,needle Valve, cataloged under National Stock Number 4820-01-453-4126, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mcnaughton Dynamics Limited. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Related Parts in Valves
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
D559A3M2
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-453-4126?
NSN 4820-01-453-4126 is a Stem,needle Valve, manufactured by Mcnaughton Dynamics Limited, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-453-4126?
NSN 4820-01-453-4126 has 1 manufacturer part number on file: 21030536 (Mcnaughton Dynamics Limited).
What are the specifications of 21030536?
Key specifications for 21030536: Special Features: NHA VALVE,PRESSURE REGULATOR; End Item Identification: OXYGEN SERVICING UNIT; W/S CODE JA, NIMITZ CLASS CVN; Material: STEEL COMP 303. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-453-4126 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.