NSN 4820-01-320-6550 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-320-6550. Manufacturer of record part number: 111423-999.
Also searched as4820-01-320-6550 ·
4820013206550 ·
NIIN 013206550 ·
01-320-6550 ·
FSC 4820 Valves, Nonpowered · CAGE 49576 · 111423-999
General Characteristics Item Description: BRASS; 150-400 PSI
1 manufacturer part number on file
Manufacturer of record: Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
Identification
NSN: 4820-01-320-6550
NIIN: 013206550
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 111423-999
Manufacturer: Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
General Description
The Valve,pilot, cataloged under National Stock Number 4820-01-320-6550, 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. 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-320-6550
Primary Part Number
111423-999
Item Name
Valve,pilot
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 4820-01-320-6550?
NSN 4820-01-320-6550 is a Valve,pilot, 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 4820-01-320-6550?
NSN 4820-01-320-6550 has 1 manufacturer part number on file: 111423-999 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).
What are the specifications of 111423-999?
Key specifications for 111423-999: General Characteristics Item Description: BRASS; 150-400 PSI. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-320-6550 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.