PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

901909Bulkhead Fitting an

Mission Systems Orchard Park Inc · NSN 1660-00-677-5603 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-677-5603 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-677-5603. Primary manufacturer part number: 901909.
Features
  • Bulkhead Fitting an — FSC 1660
  • 3 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 Bulkhead Fitting an, cataloged under National Stock Number 1660-00-677-5603, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBulkhead Fitting an
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersIngersoll-Rand Company Dba Ingersoll-Rand (CAGE 03990); Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (CAGE 98748); Mission Systems Orchard Park Inc (CAGE 04577)
Technical Specifications
ParameterValue
NSN1660-00-677-5603
Primary Part Number901909
Item NameBulkhead Fitting an
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerMission Systems Orchard Park Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5962-01-102-0627 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
901909 Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
8148650 Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
901909 PRIMARY Mission Systems Orchard Park Inc (USA)
Related Parts
5962-01-102-0627INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 1660-00-677-5603?

NSN 1660-00-677-5603 is a Bulkhead Fitting an, manufactured by Mission Systems Orchard Park Inc, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-677-5603?

NSN 1660-00-677-5603 has 3 cross-referenced part numbers: 901909 (Ingersoll-Rand Company Dba Ingersoll-Rand), 8148650 (Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force), 901909 (Mission Systems Orchard Park Inc).

What NSN replaces 1660-00-677-5603?

There is 1 known substitute for 1660-00-677-5603: 5962-01-102-0627. Verify interchangeability with system specifications before substitution.

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