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NSN 4820-01-455-5017Government record, cited

Valve, Safety Relief4820-01-455-5017

NSN 4820-01-455-5017 · NIIN 014555017 · Part number 01221804
Hatz Diesel of America Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 61080
Government record, cited
NSN 4820-01-455-5017 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-455-5017. Manufacturer of record part number: 01221804.
Also searched as  4820-01-455-5017 · 4820014555017 · NIIN 014555017 · 01-455-5017 · FSC 4820 Valves, Nonpowered · CAGE 61080 · 01221804 · 10498324 · 012 218 03
Nearby stock numbers  ·
Features
  • Valve,safety Relief — FSC 4820
  • Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
  • Media for Which Designed: OIL SINGLE RESPONSE
  • Valve Operation Method: AUTOMATIC
  • 1 manufacturer part number on file
  • Manufacturer of record: Hatz Diesel of America Inc
Identification
  • NSN: 4820-01-455-5017
  • NIIN: 014555017
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 01221804
  • Manufacturer: Hatz Diesel of America Inc
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-455-5017, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hatz Diesel of America Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-455-5017
Primary Part Number01221804
Item NameValve,safety Relief
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerHatz Diesel of America Inc
StatusACTIVE
Style DesignatorSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
Media for Which DesignedOIL SINGLE RESPONSE
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
01221804 PRIMARY Hatz Diesel of America Inc (USA)
Reference documents
ReferenceMeaning
10498324 6/9 Informative reference only
Nimikkeistokeskus Ncb Finland
012 218 03 5/9 Secondary reference
Hatz Diesel of America Inc
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
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 4820-01-455-5017?

NSN 4820-01-455-5017 is a Valve,safety Relief, manufactured by Hatz Diesel of America Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-455-5017?

NSN 4820-01-455-5017 has 1 manufacturer part number on file: 01221804 (Hatz Diesel of America Inc).

What are the specifications of 01221804?

Key specifications for 01221804: Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.; Media for Which Designed: OIL SINGLE RESPONSE; End Item Identification: 2815-01-446-3500;HATZ MODELS 2G30 AND 2G40; Valve Operation Method: AUTOMATIC. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-455-5017 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.
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