PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16534Seat and Retainer a

Aerco International, Inc. Dba Aerco International Inc · NSN 4820-01-188-0709 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-188-0709 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-188-0709. Primary manufacturer part number: 16534.
Features
  • Seat and Retainer a — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Aerco International, Inc. Dba Aerco International Inc
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Seat and Retainer a, cataloged under National Stock Number 4820-01-188-0709, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aerco International, Inc. Dba Aerco International Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat and Retainer a
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersAerco International, Inc. Dba Aerco International Inc (CAGE 95368)
Technical Specifications
ParameterValue
NSN4820-01-188-0709
Primary Part Number16534
Item NameSeat and Retainer a
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAerco International, Inc. Dba Aerco International Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-062495925 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5935-00-539-2850 INTERCHANGEABLE
Connector,plug,electrical
2530-00-554-8776807356 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Am General Llc
5305-00-990-6381MS16995-19 INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-072-1071 INTERCHANGEABLE
Nut,plain,hexagon
5365-01-555-309716534 INTERCHANGEABLE
Spacer,sleeve
L3harris Technologies, Inc Div Space & Airborne Systems
6515-01-589-8270239.984 INTERCHANGEABLE
Bone Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5985-01-680-977216534 INTERCHANGEABLE
Switch,radio Frequency Transmiss
Extreme Networks, Inc
Cross-Reference Index
Part NumberManufacturer
16534 PRIMARY Aerco International, Inc. Dba Aerco International Inc (USA)
Related Parts
3110-00-100-0624INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
95925
5935-00-539-2850INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2530-00-554-8776INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
807356
5305-00-990-6381INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
MS16995-19
5310-01-072-1071INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5365-01-555-3097INTERCHANGEABLE
SPACER,SLEEVE
16534
6515-01-589-8270INTERCHANGEABLE
BONE PLATE
239.984
5985-01-680-9772INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
16534

Frequently Asked Questions

What is NSN 4820-01-188-0709?

NSN 4820-01-188-0709 is a Seat and Retainer a, manufactured by Aerco International, Inc. Dba Aerco International Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-188-0709?

NSN 4820-01-188-0709 has 1 cross-referenced part number: 16534 (Aerco International, Inc. Dba Aerco International Inc).

What NSN replaces 4820-01-188-0709?

There are 8 known substitutes for 4820-01-188-0709: 3110-00-100-0624, 5935-00-539-2850, 2530-00-554-8776 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com