PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121616-1.25Pilot Assembly Kit,inner

Aerco International, Inc. Dba Aerco International Inc · NSN 4820-01-157-9624 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-157-9624 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-157-9624. Primary manufacturer part number: 121616-1.25.
Features
  • Pilot Assembly Kit,inner — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Aerco International, Inc. Dba Aerco International Inc
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Pilot Assembly Kit,inner, cataloged under National Stock Number 4820-01-157-9624, 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 3 commercial cross-references 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 NamePilot Assembly Kit,inner
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersAerco International, Inc. Dba Aerco International Inc (CAGE 95368)
Technical Specifications
ParameterValue
NSN4820-01-157-9624
Primary Part Number121616-1.25
Item NamePilot Assembly Kit,inner
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAerco International, Inc. Dba Aerco International Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-156-8446IR121616 INTERCHANGEABLE
Ring,bearing,inner
Timken Aerospace, Inc Dba Torrington Product
3695-01-019-0605 INTERCHANGEABLE
Saw,slab
5365-01-096-6700 INTERCHANGEABLE
Spacer,sleeve
4820-01-156-71661 1/4 CXT PT NO 122001-125 INTERCHANGEABLE
Valve,regulating,temperature
Aerco International, Inc. Dba Aerco International Inc
4820-01-178-8873121615 INTERCHANGEABLE
Parts Kit,pilot Control Valve
Aerco International, Inc. Dba Aerco International Inc
3220-01-242-2322 INTERCHANGEABLE
Gib
5998-01-423-7989121616 INTERCHANGEABLE
Electronic Components Assembly
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
6510-01-605-223430-0003 INTERCHANGEABLE
Bandage,gauze
North American Rescue, Llc
Cross-Reference Index
Part NumberManufacturer
121616 Aerco International, Inc. Dba Aerco International Inc (USA)
121616-1.25 PRIMARY Aerco International, Inc. Dba Aerco International Inc (USA)
PL-D-060 Aerco International, Inc. Dba Aerco International Inc (USA)
Related Parts
3110-00-156-8446INTERCHANGEABLE
RING,BEARING,INNER
IR121616
3695-01-019-0605INTERCHANGEABLE
SAW,SLAB
5365-01-096-6700INTERCHANGEABLE
SPACER,SLEEVE
4820-01-156-7166INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
1 1/4 CXT PT NO 122001-125
4820-01-178-8873INTERCHANGEABLE
PARTS KIT,PILOT CONTROL VALVE
121615
3220-01-242-2322INTERCHANGEABLE
GIB
5998-01-423-7989INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
121616
6510-01-605-2234INTERCHANGEABLE
BANDAGE,GAUZE
30-0003

Frequently Asked Questions

What is NSN 4820-01-157-9624?

NSN 4820-01-157-9624 is a Pilot Assembly Kit,inner, 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 4820-01-157-9624?

NSN 4820-01-157-9624 has 3 cross-referenced part numbers: 121616 (Aerco International, Inc. Dba Aerco International Inc), 121616-1.25 (Aerco International, Inc. Dba Aerco International Inc), PL-D-060 (Aerco International, Inc. Dba Aerco International Inc).

What NSN replaces 4820-01-157-9624?

There are 8 known substitutes for 4820-01-157-9624: 3110-00-156-8446, 3695-01-019-0605, 5365-01-096-6700 and 5 more. Verify interchangeability with system specifications before substitution.

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