PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

142221Bolt,shoulder

Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions · NSN 5306-00-218-2119 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-218-2119 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-218-2119. Primary manufacturer part number: 142221.
Features
  • Bolt,shoulder — FSC 5306
  • Material: STEEL OVERALL
  • Width Between Flats: 0.750 INCHES NOMINAL IN
  • Thread Length: 0.500 INCHES NOMINAL IN
  • Features Provided: CASEHARDENED
  • Shoulder Diameter: 0.375 INCHES NOMINAL FIRST SHOULDER IN
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Shank Unthreaded Hole Diameter: 0.062 INCHES NOMINAL FIRST HOLE IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,shoulder, cataloged under National Stock Number 5306-00-218-2119, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 41 commercial cross-references from 4 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
NSN5306-00-218-2119
Primary Part Number142221
Item NameBolt,shoulder
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
StatusACTIVE
MaterialSTEEL OVERALL
Width Between Flats0.750 INCHES NOMINAL IN
Thread Length0.500 INCHES NOMINAL IN
Features ProvidedCASEHARDENED
Shoulder Diameter0.375 INCHES NOMINAL FIRST SHOULDER IN
Nominal Thread Diameter0.250 INCHES IN
Shank Unthreaded Hole Diameter0.062 INCHES NOMINAL FIRST HOLE IN
Thread Class2A A
Thread Quantity Per Inch28
Distance From Head Largest Bearing Surface to Shank Hole Center0.969 INCHES NOMINAL FIRST HOLE IN
Shoulder Length0.156 INCHES NOMINAL FIRST SHOULDER IN
Head StyleROUND W/WRENCH FLATS
Thread DirectionRIGHT-HAND
Head Height0.094 INCHES NOMINAL IN
Shoulder ShapeROUND FIRST SHOULDER
Fastener Length1.031 INCHES NOMINAL IN
Thread Series DesignatorUNF
Head Diameter0.844 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3040-01-136-8767102-218-080-420-002 INTERCHANGEABLE
Shaft,straight
Emerson Automation Solutions Final Control Us Lp
4820-01-289-165414222-1 INTERCHANGEABLE
Collar,valve
Tate Andale, Llc
3040-01-497-2359D420-6-8-396 ITEM 12 MOD 2 INTERCHANGEABLE
Shaft,straight
Ja Moody Llc
Cross-Reference Index
Part NumberManufacturer
166412PC134 Ingersoll Rand Co (USA)
187955PC134 Ingersoll Rand Co (USA)
184652PC134 Ingersoll Rand Co (USA)
185822PC134 Ingersoll Rand Co (USA)
189135PC134 Ingersoll Rand Co (USA)
186340PC134 Ingersoll Rand Co (USA)
185890PC134 Ingersoll Rand Co (USA)
189128PC134 Ingersoll Rand Co (USA)
184667PC134 Ingersoll Rand Co (USA)
186325PC134 Ingersoll Rand Co (USA)
166385PC134 Ingersoll Rand Co (USA)
186942PC134 Ingersoll Rand Co (USA)
142221 Siemens Energy, Inc. Dba Dresser-Rand (USA)
186322PC134 Ingersoll Rand Co (USA)
185843PC134 Ingersoll Rand Co (USA)
184649PC134 Ingersoll Rand Co (USA)
142221 Ingersoll Rand Co (USA)
189020PC134 Ingersoll Rand Co (USA)
186961PC134 Ingersoll Rand Co (USA)
186295PC134 Ingersoll Rand Co (USA)
Related Parts
3040-01-136-8767INTERCHANGEABLE
SHAFT,STRAIGHT
102-218-080-420-002
4820-01-289-1654INTERCHANGEABLE
COLLAR,VALVE
14222-1
3040-01-497-2359INTERCHANGEABLE
SHAFT,STRAIGHT
D420-6-8-396 ITEM 12 MOD 2

Frequently Asked Questions

What is NSN 5306-00-218-2119?

NSN 5306-00-218-2119 is a Bolt,shoulder, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-218-2119?

NSN 5306-00-218-2119 has 41 cross-referenced part numbers: 166412PC134 (Ingersoll Rand Co), 187955PC134 (Ingersoll Rand Co), 184652PC134 (Ingersoll Rand Co), 185822PC134 (Ingersoll Rand Co), 189135PC134 (Ingersoll Rand Co) and 36 more.

What NSN replaces 5306-00-218-2119?

There are 3 known substitutes for 5306-00-218-2119: 3040-01-136-8767, 4820-01-289-1654, 3040-01-497-2359. Verify interchangeability with system specifications before substitution.

What are the specifications of 142221?

Key specifications for 142221: Material: STEEL OVERALL; Special Features: ONE CASTELLATED NUT AND ONE COTTER PIN FURNISHED; Width Between Flats: 0.750 INCHES NOMINAL IN; Thread Length: 0.500 INCHES NOMINAL IN. 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