PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21231-1Bellows,pressure

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 1660-01-390-8912 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-01-390-8912 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-390-8912. Primary manufacturer part number: 21231-1.
Features
  • Bellows,pressure — FSC 1660
  • 5 verified cross-references
  • Primary manufacturer: Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bellows,pressure, cataloged under National Stock Number 1660-01-390-8912, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBellows,pressure
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersSenior Operations Llc Dba Metal Bellows Div Metal Bellows (CAGE 07649); Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc. (CAGE 51998); Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (CAGE 13499); Ami Industries, Inc Div Utc Aerospace Systems (CAGE 31218); Technetics Group Daytona, Inc. (CAGE 07582)
Technical Specifications
ParameterValue
NSN1660-01-390-8912
Primary Part Number21231-1
Item NameBellows,pressure
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-00-852-5170 INTERCHANGEABLE
Semiconductor Device,diode
5930-00-909-8586 INTERCHANGEABLE
Switch,thermostatic
5910-00-949-9556 INTERCHANGEABLE
Capacitor,fixed,electrolytic
4820-01-335-70124-30581 INTERCHANGEABLE
Valve Assembly
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
Cross-Reference Index
Part NumberManufacturer
43058-1 Senior Operations Llc Dba Metal Bellows Div Metal Bellows (USA)
21231-1 Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc. (USA)
21231-1 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
21231-1 Ami Industries, Inc Div Utc Aerospace Systems (USA)
46880A001 Technetics Group Daytona, Inc. (USA)
Related Parts
5961-00-852-5170INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5930-00-909-8586INTERCHANGEABLE
SWITCH,THERMOSTATIC
5910-00-949-9556INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
4820-01-335-7012INTERCHANGEABLE
VALVE ASSEMBLY
4-30581

Frequently Asked Questions

What is NSN 1660-01-390-8912?

NSN 1660-01-390-8912 is a Bellows,pressure, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-01-390-8912?

NSN 1660-01-390-8912 has 5 cross-referenced part numbers: 43058-1 (Senior Operations Llc Dba Metal Bellows Div Metal Bellows), 21231-1 (Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc.), 21231-1 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 21231-1 (Ami Industries, Inc Div Utc Aerospace Systems), 46880A001 (Technetics Group Daytona, Inc.).

What NSN replaces 1660-01-390-8912?

There are 4 known substitutes for 1660-01-390-8912: 5961-00-852-5170, 5930-00-909-8586, 5910-00-949-9556 and 1 more. Verify interchangeability with system specifications before substitution.

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