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NSN 4820-01-453-8687Government record, cited

Disk, Valve4820-01-453-8687

NSN 4820-01-453-8687 · NIIN 014538687 · Part number AI-S-404
Accumulators, Inc. Dba Accumulators Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0R5S9
Government record, cited
NSN 4820-01-453-8687 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-453-8687. Manufacturer of record part number: AI-S-404.
Also searched as  4820-01-453-8687 · 4820014538687 · NIIN 014538687 · 01-453-8687 · FSC 4820 Valves, Nonpowered · CAGE 0R5S9 · AI-S-404 · A103100 ITEM 18
Nearby stock numbers  ·
Features
  • Disk,valve — FSC 4820
  • Pressure Rating: 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
  • Style Designator: POPPET
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Accumulators, Inc. Dba Accumulators Inc
Identification
  • NSN: 4820-01-453-8687
  • NIIN: 014538687
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: AI-S-404
  • Manufacturer: Accumulators, Inc. Dba Accumulators Inc
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-453-8687, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Accumulators, Inc. Dba Accumulators Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-453-8687
Primary Part NumberAI-S-404
Item NameDisk,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerAccumulators, Inc. Dba Accumulators Inc
StatusACTIVE
Pressure Rating3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Style DesignatorPOPPET
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
A103100 ITEM 18 Accumulators, Inc. Dba Accumulators Inc (USA)
AI-S-404 PRIMARY Accumulators, Inc. Dba Accumulators 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
Related Parts in Valves
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
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
D559A3M2
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 4820-01-453-8687?

NSN 4820-01-453-8687 is a Disk,valve, manufactured by Accumulators, Inc. Dba Accumulators Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-453-8687?

NSN 4820-01-453-8687 has 2 manufacturer part numbers on file: A103100 ITEM 18 (Accumulators, Inc. Dba Accumulators Inc), AI-S-404 (Accumulators, Inc. Dba Accumulators Inc).

What are the specifications of AI-S-404?

Key specifications for AI-S-404: Pressure Rating: 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Style Designator: POPPET; Special Features: FOR ACCUMULATOR SZ 10 GAL.; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-453-8687 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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