PartsTable TECHNICAL DATA SHEET
NSN 4820-01-435-8218Government record, cited

Stem, Fluid Valve4820-01-435-8218

NSN 4820-01-435-8218 · NIIN 014358218 · Part number 21F-CB7 4IN PC12
Newmans Inc New Jersey Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 61661
Government record, cited
NSN 4820-01-435-8218 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-435-8218. Manufacturer of record part number: 21F-CB7 4IN PC12.
Also searched as  4820-01-435-8218 · 4820014358218 · NIIN 014358218 · 01-435-8218 · FSC 4820 Valves, Nonpowered · CAGE 61661 · 21F-CB7 4IN PC12
Nearby stock numbers  ·
Features
  • Stem,fluid Valve — FSC 4820
  • Valve Type for Which Designed: GLOBE
  • Stem Actuating End Type: THREADED EXTERNALLY
  • Valve Size for Which Designed: 4.000 INCHES IN
  • Material: COPPER ALLOY
  • 1 manufacturer part number on file
  • Manufacturer of record: Newmans Inc New Jersey Div
Identification
  • NSN: 4820-01-435-8218
  • NIIN: 014358218
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 21F-CB7 4IN PC12
  • Manufacturer: Newmans Inc New Jersey Div
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-435-8218, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Newmans Inc New Jersey Div. 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
NSN4820-01-435-8218
Primary Part Number21F-CB7 4IN PC12
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerNewmans Inc New Jersey Div
StatusACTIVE
Valve Type for Which DesignedGLOBE
Stem Actuating End TypeTHREADED EXTERNALLY
Valve Size for Which Designed4.000 INCHES IN
MaterialCOPPER ALLOY
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
21F-CB7 4IN PC12 PRIMARY Newmans Inc New Jersey Div (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 4820-01-435-8218?

NSN 4820-01-435-8218 is a Stem,fluid Valve, manufactured by Newmans Inc New Jersey Div, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-435-8218?

NSN 4820-01-435-8218 has 1 manufacturer part number on file: 21F-CB7 4IN PC12 (Newmans Inc New Jersey Div).

What are the specifications of 21F-CB7 4IN PC12?

Key specifications for 21F-CB7 4IN PC12: Valve Type for Which Designed: GLOBE; Stem Actuating End Type: THREADED EXTERNALLY; Valve Size for Which Designed: 4.000 INCHES IN; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-435-8218 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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