PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12585Seat,valve

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 4820-01-287-4870 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-287-4870 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-287-4870. Primary manufacturer part number: 12585.
Features
  • Seat,valve — FSC 4820
  • Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
  • Criticality Code Justification: ZZZY
  • 5 verified cross-references
  • Primary manufacturer: Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-287-4870, 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 Eaton Aerospace Jackson. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-287-4870
Primary Part Number12585
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
Reference Number Differentiating CharacteristicsCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6760-00-018-3675 INTERCHANGEABLE
Shade,photographic Lens
5330-00-202-265231-304 INTERCHANGEABLE
Packing Material
Dresser Industries Inc Leroi Div
5998-00-222-036412585 INTERCHANGEABLE
Circuit Card Assembly
Del Mar Avionics, Llc
4820-01-091-784712585 INTERCHANGEABLE
Seat,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4820-01-163-257858280-4 INTERCHANGEABLE
Valve,safety Relief
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6515-01-468-0506125.85 INTERCHANGEABLE
Implant,pelvic Set
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
12585 Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
12585CP Naval Inventory Control Point Mechanicsburg (USA)
58280-TAB ITEM 5 Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
58280-TAB ITEM 5CP Naval Inventory Control Point Mechanicsburg (USA)
58280-TAB Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
6760-00-018-3675INTERCHANGEABLE
SHADE,PHOTOGRAPHIC LENS
5330-00-202-2652INTERCHANGEABLE
PACKING MATERIAL
31-304
5998-00-222-0364INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
12585
4820-01-091-7847INTERCHANGEABLE
SEAT,VALVE
12585
4820-01-163-2578INTERCHANGEABLE
VALVE,SAFETY RELIEF
58280-4
6515-01-468-0506INTERCHANGEABLE
IMPLANT,PELVIC SET
125.85

Frequently Asked Questions

What is NSN 4820-01-287-4870?

NSN 4820-01-287-4870 is a Seat,valve, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-287-4870?

NSN 4820-01-287-4870 has 5 cross-referenced part numbers: 12585 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson), 12585CP (Naval Inventory Control Point Mechanicsburg), 58280-TAB ITEM 5 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson), 58280-TAB ITEM 5CP (Naval Inventory Control Point Mechanicsburg), 58280-TAB (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 4820-01-287-4870?

There are 6 known substitutes for 4820-01-287-4870: 6760-00-018-3675, 5330-00-202-2652, 5998-00-222-0364 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12585?

Key specifications for 12585: Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330; Criticality Code Justification: ZZZY. 2 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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