PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

302144Adapter Bushing

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 4730-00-540-0886 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-540-0886 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-540-0886. Primary manufacturer part number: 302144.
Features
  • Adapter Bushing — FSC 4730
  • Material: STEEL
  • Surface Treatment: CADMIUM OR ZINC
  • Female End Screw Thread Series Designator: UNF
  • Criticality Code Justification: FEAT
  • Chamfer Angle in Deg: 60.000 LOCATION NOT OTHERWISE SPECIFIED
  • Male End Thread Size: 3/4-16
  • Counterbore/countersink Location: WRENCHING HEAD END,WRENCHING HEAD END
Applications
  • Applications requiring Steel construction
General Description

The Adapter Bushing, cataloged under National Stock Number 4730-00-540-0886, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-540-0886
Primary Part Number302144
Item NameAdapter Bushing
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
MaterialSTEEL
Surface TreatmentCADMIUM OR ZINC
Female End Screw Thread Series DesignatorUNF
Criticality Code JustificationFEAT
Chamfer Angle in Deg60.000 LOCATION NOT OTHERWISE SPECIFIED
Male End Thread Size3/4-16
Counterbore/countersink LocationWRENCHING HEAD END,WRENCHING HEAD END
Male End Thread Class3A A
Diameter0.453 INCHES MINIMUM AND 0.531 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
Female End Thread Size7/16-20
Female End Thread DirectionRIGHT-HAND
Depth0.038 INCHES MINIMUM AND 0.045 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
Female End Thread Class3B
Male End Thread DirectionRIGHT-HAND
Width Across Flats0.869 INCHES NOMINAL IN
Wrenching Facility ShapeHEXAGON
Female End Thread Length0.422 INCHES MINIMUM AND 0.571 INCHES MAXIMUM IN
Male End Screw Thread Series DesignatorUNF
Thickness0.190 INCHES NOMINAL IN
Male End Thread Length0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6680-00-171-9492 INTERCHANGEABLE
Counter,rotating
5365-00-657-4441S123 INTERCHANGEABLE
Spacer,ring
Dana Corp Spicer Transmission Div
4810-01-523-9150302144 INTERCHANGEABLE
Repair Kit,solenoid Valve
Automatic Switch Company Dba Asco
Cross-Reference Index
Part NumberManufacturer
302144 Cooper Industries Inc Cooper Petroleum Equipment Div Sunnyvale Operation (USA)
302144 Bc Technical Center, Llc Dba Bc Engineered Products (USA)
302144 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
302144 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
302144 Simon Paul Boiler and Welding Co (USA)
302144 Rtx Corporation Div Pratt & Whitney (USA)
Related Parts
6680-00-171-9492INTERCHANGEABLE
COUNTER,ROTATING
5365-00-657-4441INTERCHANGEABLE
SPACER,RING
S123
4810-01-523-9150INTERCHANGEABLE
REPAIR KIT,SOLENOID VALVE
302144

Frequently Asked Questions

What is NSN 4730-00-540-0886?

NSN 4730-00-540-0886 is a Adapter Bushing, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-540-0886?

NSN 4730-00-540-0886 has 6 cross-referenced part numbers: 302144 (Cooper Industries Inc Cooper Petroleum Equipment Div Sunnyvale Operation), 302144 (Bc Technical Center, Llc Dba Bc Engineered Products), 302144 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 302144 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 302144 (Simon Paul Boiler and Welding Co) and 1 more.

What NSN replaces 4730-00-540-0886?

There are 3 known substitutes for 4730-00-540-0886: 6680-00-171-9492, 5365-00-657-4441, 4810-01-523-9150. Verify interchangeability with system specifications before substitution.

What are the specifications of 302144?

Key specifications for 302144: Material: STEEL; Surface Treatment: CADMIUM OR ZINC; Special Features: DUE TO CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY; Female End Screw Thread Series Designator: UNF. 23 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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