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NSN 4820-01-557-7125Government record, cited

Valve Assembly, Manifold4820-01-557-7125

NSN 4820-01-557-7125 · NIIN 015577125 · Part number 204-4453
Caterpillar Inc Div Caterpillar Defense · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 11083
Government record, cited
NSN 4820-01-557-7125 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-557-7125. Manufacturer of record part number: 204-4453.
Also searched as  4820-01-557-7125 · 4820015577125 · NIIN 015577125 · 01-557-7125 · FSC 4820 Valves, Nonpowered · CAGE 11083 · 204-4453
Nearby stock numbers  ·
Features
  • Valve Assembly,manifold — FSC 4820
  • 1 manufacturer part number on file
  • Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
  • NSN: 4820-01-557-7125
  • NIIN: 015577125
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 204-4453
  • Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description

The Valve Assembly,manifold, cataloged under National Stock Number 4820-01-557-7125, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-557-7125
Primary Part Number204-4453
Item NameValve Assembly,manifold
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
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
204-4453 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Reference documents
ReferenceMeaning
204-4453 5/9 Secondary reference
Caterpillar of Australia Pty Ltd
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

Frequently Asked Questions

What is NSN 4820-01-557-7125?

NSN 4820-01-557-7125 is a Valve Assembly,manifold, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-557-7125?

NSN 4820-01-557-7125 has 1 manufacturer part number on file: 204-4453 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 204-4453?

Key specifications for 204-4453: Special Features: S/N ASA1-UP; BWE1-UP; Part Name Assigned by Controlling Agency: VALVE AND MTG GP-BYPASS-THERMO; End Item Identification: PART OF 203-4399 HYDRAULIC AR-AUXILARY. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-557-7125 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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