PartsTable TECHNICAL DATA SHEET
NSN 4820-01-209-9588Government record, cited

Seat, Valve4820-01-209-9588

NSN 4820-01-209-9588 · NIIN 012099588 · Part number A10528-001-128
Anderson Greenwood Lp Dba Anderson Greenwood Crosby · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 01343
Government record, cited
NSN 4820-01-209-9588 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-209-9588. Manufacturer of record part number: A10528-001-128.
Also searched as  4820-01-209-9588 · 4820012099588 · NIIN 012099588 · 01-209-9588 · FSC 4820 Valves, Nonpowered · CAGE 01343 · A10528-001-128 · 8387758 REFERENCE 17
Nearby stock numbers  ·
Features
  • Seat,valve — FSC 4820
  • Material: NICKEL ALLOY SEAT
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Anderson Greenwood Lp Dba Anderson Greenwood Crosby
Identification
  • NSN: 4820-01-209-9588
  • NIIN: 012099588
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: A10528-001-128
  • Manufacturer: Anderson Greenwood Lp Dba Anderson Greenwood Crosby
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-209-9588, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 1 specification, 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
NSN4820-01-209-9588
Primary Part NumberA10528-001-128
Item NameSeat,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerAnderson Greenwood Lp Dba Anderson Greenwood Crosby
StatusACTIVE
MaterialNICKEL ALLOY SEAT
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
A10528-001-128 PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
8387758 REFERENCE 17 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (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 4820-01-209-9588?

NSN 4820-01-209-9588 is a Seat,valve, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-209-9588?

NSN 4820-01-209-9588 has 2 manufacturer part numbers on file: A10528-001-128 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 8387758 REFERENCE 17 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What are the specifications of A10528-001-128?

Key specifications for A10528-001-128: Material: NICKEL ALLOY SEAT. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-209-9588 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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