PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14821Diaphragm,regulator

Mission Systems Orchard Park Inc · NSN 1660-00-909-6631 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-909-6631 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-909-6631. Primary manufacturer part number: 14821.
Features
  • Diaphragm,regulator — FSC 1660
  • 2 verified cross-references
  • Primary manufacturer: Mission Systems Orchard Park Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Diaphragm,regulator, cataloged under National Stock Number 1660-00-909-6631, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Mission Systems Orchard Park Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDiaphragm,regulator
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersMission Systems Orchard Park Inc (CAGE 04577); Ingersoll-Rand Company Dba Ingersoll-Rand (CAGE 03990)
Technical Specifications
ParameterValue
NSN1660-00-909-6631
Primary Part Number14821
Item NameDiaphragm,regulator
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerMission Systems Orchard Park Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-117-06951209B-HC INTERCHANGEABLE
Bearing,roller,cylindrical
Regal Beloit America, Inc. Dba Rollway Bearing
5950-00-255-082014821 INTERCHANGEABLE
Transformer,power
Dukane Seacom, Inc. Dba Dukane Seacom Inc
1660-00-775-963814821 INTERCHANGEABLE
Parts Kit,valve,ove
Hamilton Sundstrand Corporation Dba Collins Aerospace
6220-00-815-39921482-1 INTERCHANGEABLE
Light,recognition,aircraft
Specialty Lighting, Inc Div Specialty Lighting
6520-01-003-313214821 INTERCHANGEABLE
Bur,dental,excavating
Ss White Burs Llc
6140-01-491-56641482-1 INTERCHANGEABLE
Cell,battery
Avo Intl
5935-01-702-961414821 INTERCHANGEABLE
Cover,socket Plug-in Electronic
Italwatt S.r.l.
Cross-Reference Index
Part NumberManufacturer
14821 PRIMARY Mission Systems Orchard Park Inc (USA)
14821 Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
Related Parts
3110-00-117-0695INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
1209B-HC
5950-00-255-0820INTERCHANGEABLE
TRANSFORMER,POWER
14821
1660-00-775-9638INTERCHANGEABLE
PARTS KIT,VALVE,OVE
14821
6220-00-815-3992INTERCHANGEABLE
LIGHT,RECOGNITION,AIRCRAFT
1482-1
6520-01-003-3132INTERCHANGEABLE
BUR,DENTAL,EXCAVATING
14821
6140-01-491-5664INTERCHANGEABLE
CELL,BATTERY
1482-1
5935-01-702-9614INTERCHANGEABLE
COVER,SOCKET PLUG-IN ELECTRONIC
14821

Frequently Asked Questions

What is NSN 1660-00-909-6631?

NSN 1660-00-909-6631 is a Diaphragm,regulator, manufactured by Mission Systems Orchard Park Inc, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-909-6631?

NSN 1660-00-909-6631 has 2 cross-referenced part numbers: 14821 (Mission Systems Orchard Park Inc), 14821 (Ingersoll-Rand Company Dba Ingersoll-Rand).

What NSN replaces 1660-00-909-6631?

There are 7 known substitutes for 1660-00-909-6631: 3110-00-117-0695, 5950-00-255-0820, 1660-00-775-9638 and 4 more. Verify interchangeability with system specifications before substitution.

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