PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

280038PC16Retainer Seat

Marotta Controls Inc · NSN 4810-00-501-8809 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-501-8809 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-501-8809. Primary manufacturer part number: 280038PC16.
Features
  • Retainer Seat — FSC 4810
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • 2 verified cross-references
  • Primary manufacturer: Marotta Controls Inc
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Retainer Seat, cataloged under National Stock Number 4810-00-501-8809, is classified within Federal Supply Class 4810 (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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-00-501-8809
Primary Part Number280038PC16
Item NameRetainer Seat
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerMarotta Controls Inc
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1660-00-008-8936146712-1 INTERCHANGEABLE
Base,valve,cabin Air Pressure
Honeywell International, Inc Div Aerospace-Tucson
4810-01-117-0145146712-0001 INTERCHANGEABLE
Retainer,seat,valve
Marotta Controls Inc
5330-01-393-7503 INTERCHANGEABLE
Retainer Sleeve,seal
Cross-Reference Index
Part NumberManufacturer
280038PC16 Marotta Controls Inc (USA)
146712-1 Marotta Controls Inc (USA)
Related Parts
1660-00-008-8936INTERCHANGEABLE
BASE,VALVE,CABIN AIR PRESSURE
146712-1
4810-01-117-0145INTERCHANGEABLE
RETAINER,SEAT,VALVE
146712-0001
5330-01-393-7503INTERCHANGEABLE
RETAINER SLEEVE,SEAL

Frequently Asked Questions

What is NSN 4810-00-501-8809?

NSN 4810-00-501-8809 is a Retainer Seat, manufactured by Marotta Controls Inc, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-501-8809?

NSN 4810-00-501-8809 has 2 cross-referenced part numbers: 280038PC16 (Marotta Controls Inc), 146712-1 (Marotta Controls Inc).

What NSN replaces 4810-00-501-8809?

There are 3 known substitutes for 4810-00-501-8809: 1660-00-008-8936, 4810-01-117-0145, 5330-01-393-7503. Verify interchangeability with system specifications before substitution.

What are the specifications of 280038PC16?

Key specifications for 280038PC16: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING 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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