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NSN 4820-01-688-3879Government record, cited

Cock, Poppet Drain4820-01-688-3879

NSN 4820-01-688-3879 · NIIN 016883879 · Part number CCB-4320
Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 47038
Government record, cited
NSN 4820-01-688-3879 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-688-3879. Manufacturer of record part number: CCB-4320.
Also searched as  4820-01-688-3879 · 4820016883879 · NIIN 016883879 · 01-688-3879 · FSC 4820 Valves, Nonpowered · CAGE 47038 · CCB-4320
Nearby stock numbers  ·
Features
  • Cock,poppet Drain — FSC 4820
  • Style Designator: STRAIGHT THRU
  • Thread Class: 3A FIRST END A
  • Thread Series Designator: UNF ALL ENDS
  • Valve Operation Method: MANUAL
  • 1 manufacturer part number on file
  • Manufacturer of record: Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co
Identification
  • NSN: 4820-01-688-3879
  • NIIN: 016883879
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: CCB-4320
  • Manufacturer: Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co
General Description

The Cock,poppet Drain, cataloged under National Stock Number 4820-01-688-3879, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co. Government technical data includes 4 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-688-3879
Primary Part NumberCCB-4320
Item NameCock,poppet Drain
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerCurtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co
StatusACTIVE
Style DesignatorSTRAIGHT THRU
Thread Class3A FIRST END A
Thread Series DesignatorUNF ALL ENDS
Valve Operation MethodMANUAL
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
CCB-4320 PRIMARY Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co (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 4820-01-688-3879?

NSN 4820-01-688-3879 is a Cock,poppet Drain, manufactured by Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-688-3879?

NSN 4820-01-688-3879 has 1 manufacturer part number on file: CCB-4320 (Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co).

What are the specifications of CCB-4320?

Key specifications for CCB-4320: Style Designator: STRAIGHT THRU; Special Features: OVERALL LENGTH 1.250 INCHES, THREADS 7/16-20 UNF-3A THD, A; Part Name Assigned by Controlling Agency: ASSEMBLY DRAIN VALVE; Thread Class: 3A FIRST END A. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-688-3879 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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