PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A11781Plug,machine Thread

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5365-00-289-4666 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-289-4666 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-289-4666. Primary manufacturer part number: A11781.
Features
  • Plug,machine Thread — FSC 5365
  • Connection Style: PLAIN
  • Surface Treatment: CADMIUM OVERALL
  • Body Core Diameter: 1.500 INCHES NOMINAL IN
  • Material Document and Classification: SAE 72 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: PLUG, MACHINE
  • Head Height: 0.406 INCHES NOMINAL IN
  • Nominal Thread Size: 1.750 INCHES EXTERNAL IN
Applications
  • Applications requiring Copper Alloy CA360 Overall construction
General Description

The Plug,machine Thread, cataloged under National Stock Number 5365-00-289-4666, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-00-289-4666
Primary Part NumberA11781
Item NamePlug,machine Thread
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Connection StylePLAIN
Surface TreatmentCADMIUM OVERALL
Body Core Diameter1.500 INCHES NOMINAL IN
Material Document and ClassificationSAE 72 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorPLUG, MACHINE
Head Height0.406 INCHES NOMINAL IN
Nominal Thread Size1.750 INCHES EXTERNAL IN
Head Core Diameter0.750 INCHES NOMINAL IN
Thread Class3A EXTERNAL A
Flange Thickness0.094 INCHES NOMINAL IN
Thread Quantity Per Inch12 EXTERNAL
Flange Diameter2.000 INCHES NOMINAL IN
Thread Series DesignatorUN EXTERNAL
Thread DirectionRIGHT-HAND EXTERNAL
MaterialCOPPER ALLOY CA360 OVERALL
Core Depth0.344 INCHES NOMINAL IN
Head TypeCORED
Thread Length0.250 INCHES NOMINAL EXTERNAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5110-00-234-6550 INTERCHANGEABLE
File,hand
5961-00-594-0807 INTERCHANGEABLE
Transistor
5950-00-706-8262 INTERCHANGEABLE
Coil,radio Frequency
2990-01-214-745957-2121-2059 INTERCHANGEABLE
Control Assembly,push-Pull
Empigard Corp
4820-01-223-0599 INTERCHANGEABLE
Valve Assembly,manifold
3130-01-232-7485M110C-1 INTERCHANGEABLE
Bearing Unit,roller
Parker-Hannifin Corp Div Hydraulic Pump/motor Division
2010-01-289-1653C030-039 INTERCHANGEABLE
Link,leveling,lower
Waukesha Cutting Tools Inc
4320-01-311-4020M110C-1 INTERCHANGEABLE
Housing,hydraulic Motor,non Airc
R L Miller Inc
2540-01-594-5970C7-20 INTERCHANGEABLE
Latch,door,vehicular
Southco Inc
4730-01-620-226311781 INTERCHANGEABLE
Manifold,hydraulic System Access
North American Controls Inc Dba North American Controls Inc
Cross-Reference Index
Part NumberManufacturer
A11781 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
11781 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
5110-00-234-6550INTERCHANGEABLE
FILE,HAND
5961-00-594-0807INTERCHANGEABLE
TRANSISTOR
5950-00-706-8262INTERCHANGEABLE
COIL,RADIO FREQUENCY
2990-01-214-7459INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
57-2121-2059
4820-01-223-0599INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
3130-01-232-7485INTERCHANGEABLE
BEARING UNIT,ROLLER
M110C-1
2010-01-289-1653INTERCHANGEABLE
LINK,LEVELING,LOWER
C030-039
4320-01-311-4020INTERCHANGEABLE
HOUSING,HYDRAULIC MOTOR,NON AIRC
M110C-1
2540-01-594-5970INTERCHANGEABLE
LATCH,DOOR,VEHICULAR
C7-20
4730-01-620-2263INTERCHANGEABLE
MANIFOLD,HYDRAULIC SYSTEM ACCESS
11781

Frequently Asked Questions

What is NSN 5365-00-289-4666?

NSN 5365-00-289-4666 is a Plug,machine Thread, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-00-289-4666?

NSN 5365-00-289-4666 has 2 cross-referenced part numbers: A11781 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 11781 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 5365-00-289-4666?

There are 10 known substitutes for 5365-00-289-4666: 5110-00-234-6550, 5961-00-594-0807, 5950-00-706-8262 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A11781?

Key specifications for A11781: Connection Style: PLAIN; Surface Treatment: CADMIUM OVERALL; Body Core Diameter: 1.500 INCHES NOMINAL IN; Material Document and Classification: SAE 72 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com