PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

280400Cap,valve

Eaton Aerospace, Llc Dba Jackson South · NSN 4820-01-278-3641 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-278-3641 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-278-3641. Primary manufacturer part number: 280400.
Features
  • Cap,valve — FSC 4820
  • Material: IRON CAST
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Iron Cast construction
General Description

The Cap,valve, cataloged under National Stock Number 4820-01-278-3641, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-278-3641
Primary Part Number280400
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
MaterialIRON CAST
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6720-01-017-5747 INTERCHANGEABLE
Diaphram Assembly
6515-01-466-4475280.40 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
280400 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
6720-01-017-5747INTERCHANGEABLE
DIAPHRAM ASSEMBLY
6515-01-466-4475INTERCHANGEABLE
SCREW,BONE
280.40

Frequently Asked Questions

What is NSN 4820-01-278-3641?

NSN 4820-01-278-3641 is a Cap,valve, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-278-3641?

NSN 4820-01-278-3641 has 1 cross-referenced part number: 280400 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4820-01-278-3641?

There are 2 known substitutes for 4820-01-278-3641: 6720-01-017-5747, 6515-01-466-4475. Verify interchangeability with system specifications before substitution.

What are the specifications of 280400?

Key specifications for 280400: Material: IRON CAST. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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