PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4997207Seat,valve

Marotta Controls Inc · NSN 4820-01-612-8955 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-612-8955 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-612-8955. Primary manufacturer part number: 4997207.
Features
  • Seat,valve — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP WSS ACTIVITY HX QUALITY CONTRMANUFACTURING AND TESTING SPECIFICATIONS
  • 1 verified cross-reference
  • Primary manufacturer: Marotta Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-612-8955, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Marotta Controls Inc. Government technical data includes 2 verified specifications, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-612-8955
Primary Part Number4997207
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMarotta Controls Inc
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVSUP WSS ACTIVITY HX QUALITY CONTRMANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-00-868-2588025462DC INTERCHANGEABLE
Seat,valve
Admiral Valve Llc Dba Cpv Manufacturing
Cross-Reference Index
Part NumberManufacturer
4997207 Marotta Controls Inc (USA)
Related Parts
4820-00-868-2588INTERCHANGEABLE
SEAT,VALVE
025462DC

Frequently Asked Questions

What is NSN 4820-01-612-8955?

NSN 4820-01-612-8955 is a Seat,valve, manufactured by Marotta Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-612-8955?

NSN 4820-01-612-8955 has 1 cross-referenced part number: 4997207 (Marotta Controls Inc).

What NSN replaces 4820-01-612-8955?

There is 1 known substitute for 4820-01-612-8955: 4820-00-868-2588. Verify interchangeability with system specifications before substitution.

What are the specifications of 4997207?

Key specifications for 4997207: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP WSS ACTIVITY HX QUALITY CONTRMANUFACTURING AND TESTING SPECIFICATIONS. 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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