PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RY-148623 ITEM 81Setscrew

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 5305-01-272-2569 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-272-2569 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-272-2569. Primary manufacturer part number: RY-148623 ITEM 81.
Features
  • Setscrew — FSC 5305
  • Thread Quantity Per Inch: 20
  • Material: NICKEL ALLOY R-405 OR NICKEL ALLOY 400 OVERALL
  • Material Document and Classification: QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Thread Class: 2A A
  • Fastener Length: 0.375 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
Applications
  • Applications requiring Nickel Alloy R-405 or Nickel Alloy 400 Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-01-272-2569, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-272-2569
Primary Part NumberRY-148623 ITEM 81
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Thread Quantity Per Inch20
MaterialNICKEL ALLOY R-405 OR NICKEL ALLOY 400 OVERALL
Material Document and ClassificationQQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
Nominal Thread Diameter0.250 INCHES IN
Thread Class2A A
Fastener Length0.375 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4810-00-078-472951325 INTERCHANGEABLE
Valve,linear,directional Control
Woodward Hrt Inc
5935-00-126-122613217E1472 INTERCHANGEABLE
Connector,receptacle,electrical
Cecom Lr Center
1420-00-621-7696 INTERCHANGEABLE
Roller Assembly,idl
5930-00-642-9285101302A INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Electro Switch Corp
8345-00-918-0649 INTERCHANGEABLE
Guidon
5935-00-998-8080GC810FR-1 INTERCHANGEABLE
Connector,plug,electrical
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
51325 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
RY-148623 ITEM 81 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
RY-148623 ITEM 81 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
RY-148623 PIECE 81 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
51325 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
4810-00-078-4729INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
51325
5935-00-126-1226INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
13217E1472
1420-00-621-7696INTERCHANGEABLE
ROLLER ASSEMBLY,IDL
5930-00-642-9285INTERCHANGEABLE
SWITCH,ROTARY
101302A
8345-00-918-0649INTERCHANGEABLE
GUIDON
5935-00-998-8080INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
GC810FR-1

Frequently Asked Questions

What is NSN 5305-01-272-2569?

NSN 5305-01-272-2569 is a Setscrew, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-272-2569?

NSN 5305-01-272-2569 has 5 cross-referenced part numbers: 51325 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), RY-148623 ITEM 81 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), RY-148623 ITEM 81 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), RY-148623 PIECE 81 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 51325 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging).

What NSN replaces 5305-01-272-2569?

There are 6 known substitutes for 5305-01-272-2569: 4810-00-078-4729, 5935-00-126-1226, 1420-00-621-7696 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RY-148623 ITEM 81?

Key specifications for RY-148623 ITEM 81: Thread Quantity Per Inch: 20; Material: NICKEL ALLOY R-405 OR NICKEL ALLOY 400 OVERALL; Material Document and Classification: QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL; Nominal Thread Diameter: 0.250 INCHES IN. 8 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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