NSN 4820-01-570-4402 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-570-4402. Manufacturer of record part number: 6670X01.
Also searched as4820-01-570-4402 ·
4820015704402 ·
NIIN 015704402 ·
01-570-4402 ·
FSC 4820 Valves, Nonpowered · CAGE 49576 · 6670X01
Manufacturer of record: Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
Identification
NSN: 4820-01-570-4402
NIIN: 015704402
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 6670X01
Manufacturer: Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
General Description
The Valve Assembly, cataloged under National Stock Number 4820-01-570-4402, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-570-4402
Primary Part Number
6670X01
Item Name
Valve Assembly
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
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 4820-01-570-4402?
NSN 4820-01-570-4402 is a Valve Assembly, manufactured by Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-570-4402?
NSN 4820-01-570-4402 has 1 manufacturer part number on file: 6670X01 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).
What are the specifications of 6670X01?
Key specifications for 6670X01: Part Name Assigned by Controlling Agency: REPLACEMENT DISCHARGE VALVE ASSEMBLY; End Item Identification: COMPRESSOR MODEL 5120; INLS CRAFT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-570-4402 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.