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NSN 4820-01-680-8639Government record, cited

Valve, Ball4820-01-680-8639

NSN 4820-01-680-8639 · NIIN 016808639 · Part number 156M-1/2
Metso Automation Usa, Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 01029
Government record, cited
NSN 4820-01-680-8639 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-680-8639. Manufacturer of record part number: 156M-1/2.
Also searched as  4820-01-680-8639 · 4820016808639 · NIIN 016808639 · 01-680-8639 · FSC 4820 Valves, Nonpowered · CAGE 01029 · 156M-1/2
Nearby stock numbers  ·
Features
  • Valve,ball — FSC 4820
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Style Designator: STRAIGHT THRU
  • Valve Size: 0.500 INCHES IN
  • Face to Face Distance: 2.34 INCHES IN
  • First Connection Face to Centerline Distance: 1.17 INCHES IN
  • Material: STEEL COMP 316 STEM
  • Material: STEEL COMP 316 OVERALL
Identification
  • NSN: 4820-01-680-8639
  • NIIN: 016808639
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 156M-1/2
  • Manufacturer: Metso Automation Usa, Inc
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-680-8639, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Metso Automation Usa, Inc. Government technical data includes 8 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
NSN4820-01-680-8639
Primary Part Number156M-1/2
Item NameValve,ball
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerMetso Automation Usa, Inc
StatusACTIVE
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Style DesignatorSTRAIGHT THRU
Valve Size0.500 INCHES IN
Face to Face Distance2.34 INCHES IN
First Connection Face to Centerline Distance1.17 INCHES IN
MaterialSTEEL COMP 316 STEM
MaterialSTEEL COMP 316 OVERALL
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
156M-1/2 PRIMARY Metso Automation Usa, Inc (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 4820-01-680-8639?

NSN 4820-01-680-8639 is a Valve,ball, manufactured by Metso Automation Usa, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-680-8639?

NSN 4820-01-680-8639 has 1 manufacturer part number on file: 156M-1/2 (Metso Automation Usa, Inc).

What are the specifications of 156M-1/2?

Key specifications for 156M-1/2: Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU; Valve Size: 0.500 INCHES IN; Special Features: SEAT,BODY SEAL, STEM SEAL STEM BEARING MATYERIAL REINFORCED PTFE,. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-680-8639 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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