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NSN 4820-01-252-8436Government record, cited

Seat, Valve4820-01-252-8436

NSN 4820-01-252-8436 · NIIN 012528436 · Part number A-8719-D
Armstrong International Inc Dba Armstrong Machine Works · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 03933
Government record, cited
NSN 4820-01-252-8436 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-252-8436. Manufacturer of record part number: A-8719-D.
Also searched as  4820-01-252-8436 · 4820012528436 · NIIN 012528436 · 01-252-8436 · FSC 4820 Valves, Nonpowered · CAGE 03933 · A-8719-D
Nearby stock numbers  ·
Features
  • Seat,valve — FSC 4820
  • 1 manufacturer part number on file
  • Manufacturer of record: Armstrong International Inc Dba Armstrong Machine Works
Identification
  • NSN: 4820-01-252-8436
  • NIIN: 012528436
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: A-8719-D
  • Manufacturer: Armstrong International Inc Dba Armstrong Machine Works
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-252-8436, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Armstrong International Inc Dba Armstrong Machine Works. 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
NSN4820-01-252-8436
Primary Part NumberA-8719-D
Item NameSeat,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerArmstrong International Inc Dba Armstrong Machine Works
StatusACTIVE
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
A-8719-D PRIMARY Armstrong International Inc Dba Armstrong Machine Works (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 4820-01-252-8436?

NSN 4820-01-252-8436 is a Seat,valve, manufactured by Armstrong International Inc Dba Armstrong Machine Works, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-252-8436?

NSN 4820-01-252-8436 has 1 manufacturer part number on file: A-8719-D (Armstrong International Inc Dba Armstrong Machine Works).

What are the specifications of A-8719-D?

Key specifications for A-8719-D: End Item Identification: ARMSTRONG HUMIDIFIER MODEL 892. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-252-8436 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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