PartsTable TECHNICAL DATA SHEET
NSN 4820-01-252-4739Government record, cited

Cap, Valve4820-01-252-4739

NSN 4820-01-252-4739 · NIIN 012524739 · Part number 42866
Leslie Controls, Inc. Dba Leslie Controls Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 35795
Government record, cited
NSN 4820-01-252-4739 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-252-4739. Manufacturer of record part number: 42866.
Also searched as  4820-01-252-4739 · 4820012524739 · NIIN 012524739 · 01-252-4739 · FSC 4820 Valves, Nonpowered · CAGE 35795 · 42866
Nearby stock numbers  ·
Features
  • Cap,valve — FSC 4820
  • Material: COPPER ALLOY
  • 1 manufacturer part number on file
  • Manufacturer of record: Leslie Controls, Inc. Dba Leslie Controls Inc
Identification
  • NSN: 4820-01-252-4739
  • NIIN: 012524739
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 42866
  • Manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
General Description

The Cap,valve, cataloged under National Stock Number 4820-01-252-4739, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 1 specification, 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
NSN4820-01-252-4739
Primary Part Number42866
Item NameCap,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
MaterialCOPPER ALLOY
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
42866 PRIMARY Leslie Controls, Inc. Dba Leslie Controls 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 4820-01-252-4739?

NSN 4820-01-252-4739 is a Cap,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-252-4739?

NSN 4820-01-252-4739 has 1 manufacturer part number on file: 42866 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What are the specifications of 42866?

Key specifications for 42866: Special Features: BOTTOM CAP; Material: COPPER ALLOY. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-252-4739 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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