PartsTable TECHNICAL DATA SHEET
NSN 4820-01-340-0284Government record, cited

Disk, Valve4820-01-340-0284

NSN 4820-01-340-0284 · NIIN 013400284 · Part number 11685881
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 19207
Government record, cited
NSN 4820-01-340-0284 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-340-0284. Manufacturer of record part number: 11685881.
Also searched as  4820-01-340-0284 · 4820013400284 · NIIN 013400284 · 01-340-0284 · FSC 4820 Valves, Nonpowered · CAGE 19207 · 11685881
Nearby stock numbers  ·
Features
  • Disk,valve — FSC 4820
  • Lower Surface Width: 0.380 INCHES NOMINAL IN
  • Shoulder Width: 0.620 INCHES NOMINAL IN
  • Shoulder Height: 0.041 INCHES NOMINAL IN
  • Outside Diameter: 4.500 INCHES NOMINAL IN
  • Style Designator: PLAIN
  • 1 manufacturer part number on file
  • Manufacturer of record: U S Army Tank Automotive Command Amsta-Im-Mm
Identification
  • NSN: 4820-01-340-0284
  • NIIN: 013400284
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 11685881
  • Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-340-0284, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 5 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
NSN4820-01-340-0284
Primary Part Number11685881
Item NameDisk,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Lower Surface Width0.380 INCHES NOMINAL IN
Shoulder Width0.620 INCHES NOMINAL IN
Shoulder Height0.041 INCHES NOMINAL IN
Outside Diameter4.500 INCHES NOMINAL IN
Style DesignatorPLAIN
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
11685881 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (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 4820-01-340-0284?

NSN 4820-01-340-0284 is a Disk,valve, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-340-0284?

NSN 4820-01-340-0284 has 1 manufacturer part number on file: 11685881 (U S Army Tank Automotive Command Amsta-Im-Mm).

What are the specifications of 11685881?

Key specifications for 11685881: Overall Height: 0.083 INCHES NOMINAL IN; Lower Surface Width: 0.380 INCHES NOMINAL IN; Shoulder Width: 0.620 INCHES NOMINAL IN; Shoulder Height: 0.041 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-340-0284 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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