PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

112-66Seal Assy

Ontic Engineering & Manufacturing, Inc Dba Ontic Us · NSN 2915-00-717-2789 · FSC 2915 · No Item Name Available
Verified by PartsTable
NSN 2915-00-717-2789 — this item is cataloged by the U.S. Government under National Stock Number 2915-00-717-2789. Primary manufacturer part number: 112-66.
Features
  • Seal Assy — FSC 2915
  • 3 verified cross-references
  • Primary manufacturer: Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal Assy, cataloged under National Stock Number 2915-00-717-2789, is classified within Federal Supply Class 2915 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeal Assy
FSC / FSG2915 — No Item Name Available (FSG 29)
ManufacturersHamilton Sundstrand Corporation (CAGE 99167); Donallco Inc (CAGE 56705); Ontic Engineering & Manufacturing, Inc Dba Ontic Us (CAGE 45934)
Technical Specifications
ParameterValue
NSN2915-00-717-2789
Primary Part Number112-66
Item NameSeal Assy
FSC / FSG2915 / 29 — No Item Name Available
ManufacturerOntic Engineering & Manufacturing, Inc Dba Ontic Us
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-006-7355712808-17 INTERCHANGEABLE
Delay Line
Raytheon Company Div Rmd Strategic
4220-00-051-307811266 INTERCHANGEABLE
Life Preserver,yoke
Naval Inventory Control Point Mechanicsburg
5985-00-412-960360769-2 INTERCHANGEABLE
Attenuator,variable
L3harris Technologies, Inc.
3110-00-554-5830204-11-609 INTERCHANGEABLE
Bearing,ball,annular
Air & Liquid Systems Corporation Dba Buffalo Pumps
5950-00-645-554711266 INTERCHANGEABLE
Transformer,power
Electronic Transformer Corp Div Electronic Transformer Corporation
6625-00-649-70971120-0048 INTERCHANGEABLE
Meter,multiple Scale
Keysight Technologies Inc
4730-01-057-197011266 INTERCHANGEABLE
Adapter Bushing
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5950-01-078-8692SC12271963 INTERCHANGEABLE
Transformer
Raytheon Company Dba Raytheon
4820-01-123-765811266-1 INTERCHANGEABLE
Valve,calibrated Flow
Eaton Aerospace Llc
4720-01-132-1201 INTERCHANGEABLE
Hose Set,nonmetallic
Cross-Reference Index
Part NumberManufacturer
S1340-17 Hamilton Sundstrand Corporation (USA)
112-66 Donallco Inc (USA)
112-66 PRIMARY Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
Related Parts
5999-00-006-7355INTERCHANGEABLE
DELAY LINE
712808-17
4220-00-051-3078INTERCHANGEABLE
LIFE PRESERVER,YOKE
11266
5985-00-412-9603INTERCHANGEABLE
ATTENUATOR,VARIABLE
60769-2
3110-00-554-5830INTERCHANGEABLE
BEARING,BALL,ANNULAR
204-11-609
5950-00-645-5547INTERCHANGEABLE
TRANSFORMER,POWER
11266
6625-00-649-7097INTERCHANGEABLE
METER,MULTIPLE SCALE
1120-0048
4730-01-057-1970INTERCHANGEABLE
ADAPTER BUSHING
11266
5950-01-078-8692INTERCHANGEABLE
TRANSFORMER
SC12271963
4820-01-123-7658INTERCHANGEABLE
VALVE,CALIBRATED FLOW
11266-1
4720-01-132-1201INTERCHANGEABLE
HOSE SET,NONMETALLIC
2920-01-369-4949INTERCHANGEABLE
ROTOR,GENERATOR
112-66
5995-01-409-2698INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
11266

Frequently Asked Questions

What is NSN 2915-00-717-2789?

NSN 2915-00-717-2789 is a Seal Assy, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 2915 (No Item Name Available). Status: active.

What are the part numbers for NSN 2915-00-717-2789?

NSN 2915-00-717-2789 has 3 cross-referenced part numbers: S1340-17 (Hamilton Sundstrand Corporation), 112-66 (Donallco Inc), 112-66 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).

What NSN replaces 2915-00-717-2789?

There are 12 known substitutes for 2915-00-717-2789: 5999-00-006-7355, 4220-00-051-3078, 5985-00-412-9603 and 9 more. Verify interchangeability with system specifications before substitution.

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