PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11266Adapter Bushing

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 4730-01-057-1970 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-057-1970 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-057-1970. Primary manufacturer part number: 11266.
Features
  • Adapter Bushing — FSC 4730
  • Diameter: 0.688 INCHES NOMINAL FEMALE BUSHING SEGMENTS IN
  • Female End Thread Size: 7/16-20
  • Depth: 0.075 INCHES NOMINAL MALE BUSHING SEGMENTS IN
  • Male End Screw Thread Series Designator: UNF
  • Width Across Flats: 1.000 INCHES NOMINAL IN
  • Male End Thread Direction: RIGHT-HAND
  • Thickness: 0.094 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Adapter Bushing, cataloged under National Stock Number 4730-01-057-1970, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-057-1970
Primary Part Number11266
Item NameAdapter Bushing
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
Diameter0.688 INCHES NOMINAL FEMALE BUSHING SEGMENTS IN
Female End Thread Size7/16-20
Depth0.075 INCHES NOMINAL MALE BUSHING SEGMENTS IN
Male End Screw Thread Series DesignatorUNF
Width Across Flats1.000 INCHES NOMINAL IN
Male End Thread DirectionRIGHT-HAND
Thickness0.094 INCHES NOMINAL IN
Male End Thread Length0.250 INCHES NOMINAL IN
Depth0.075 INCHES NOMINAL FEMALE BUSHING SEGMENTS IN
Male End Thread Class3A A
Female End CharacteristicCOUNTERBORED AND COUNTERSUNK
Counterbore/countersink LocationINTERNALLY THREADED END; WRENCHING HEAD TYPE
MaterialALUMINUM ALLOY 2024
Female End Thread Length0.187 INCHES NOMINAL IN
Wrenching Facility ShapeHEXAGON
Chamfer Angle in Deg45.0 LOCATION NOT OTHERWISE SPECIFIED
Female End Thread Class3B
Male End Thread Size3/4-16
Female End Screw Thread Series DesignatorUNF
Female End Thread DirectionRIGHT-HAND
Diameter0.454 INCHES NOMINAL MALE BUSHING SEGMENTS IN
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
2915-00-717-2789112-66 INTERCHANGEABLE
Seal Assy
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
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
11266 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (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
2915-00-717-2789INTERCHANGEABLE
SEAL ASSY
112-66
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 4730-01-057-1970?

NSN 4730-01-057-1970 is a Adapter Bushing, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-057-1970?

NSN 4730-01-057-1970 has 1 cross-referenced part number: 11266 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 4730-01-057-1970?

There are 12 known substitutes for 4730-01-057-1970: 5999-00-006-7355, 4220-00-051-3078, 5985-00-412-9603 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11266?

Key specifications for 11266: Diameter: 0.688 INCHES NOMINAL FEMALE BUSHING SEGMENTS IN; Female End Thread Size: 7/16-20; Depth: 0.075 INCHES NOMINAL MALE BUSHING SEGMENTS IN; Male End Screw Thread Series Designator: UNF. 22 total characteristics are documented in the Federal Logistics Information System.

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