PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

218217Screw,cap,socket Head

Woodward, Inc. Div Fuel Systems and Controls · NSN 5305-00-921-0071 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-921-0071 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-921-0071. Primary manufacturer part number: 218217.
Features
  • Screw,cap,socket Head — FSC 5305
  • Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Thread Class: 3A A
  • Hole Configuration Style: ROUND
  • Surface Treatment: PASSIVATE OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM OVERALL
  • Hole Diameter: 0.047 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 410 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-921-0071, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. Government technical data includes 20 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-921-0071
Primary Part Number218217
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerWoodward, Inc. Div Fuel Systems and Controls
StatusACTIVE
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Class3A A
Hole Configuration StyleROUND
Surface TreatmentPASSIVATE OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Hardness Rating25.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM OVERALL
Hole Diameter0.047 INCHES NOMINAL IN
Hole Quantity6
Head Diameter0.313 INCHES NOMINAL IN
Thread Length0.880 INCHES MINIMUM IN
Head Height0.190 INCHES NOMINAL IN
Width Across Flats0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
MaterialSTEEL COMP 410 OVERALL
Nominal Thread Diameter0.190 INCHES IN
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch24
Hole TypeDRILLED
Internal Drive StyleHEXAGON
Head StyleFLAT CHAMFER
Fastener Length2.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5315-00-021-8217218217 INTERCHANGEABLE
Key,woodruff
General Motors Corp
5315-00-043-1787MS35756-34 INTERCHANGEABLE
Key,woodruff
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5935-00-222-732082-3-4 INTERCHANGEABLE
Dummy Connector,receptacle
Lockheed Martin Corporation Div Rotary and Mission Systems
4730-00-697-8561218217 INTERCHANGEABLE
Elbow,tube to Boss
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
Part NumberManufacturer
218217 PRIMARY Woodward, Inc. Div Fuel Systems and Controls (USA)
Related Parts
5315-00-021-8217INTERCHANGEABLE
KEY,WOODRUFF
218217
5315-00-043-1787INTERCHANGEABLE
KEY,WOODRUFF
MS35756-34
5935-00-222-7320INTERCHANGEABLE
DUMMY CONNECTOR,RECEPTACLE
82-3-4
4730-00-697-8561INTERCHANGEABLE
ELBOW,TUBE TO BOSS
218217

Frequently Asked Questions

What is NSN 5305-00-921-0071?

NSN 5305-00-921-0071 is a Screw,cap,socket Head, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-921-0071?

NSN 5305-00-921-0071 has 1 cross-referenced part number: 218217 (Woodward, Inc. Div Fuel Systems and Controls).

What NSN replaces 5305-00-921-0071?

There are 4 known substitutes for 5305-00-921-0071: 5315-00-021-8217, 5315-00-043-1787, 5935-00-222-7320 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 218217?

Key specifications for 218217: Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Class: 3A A; Hole Configuration Style: ROUND; Surface Treatment: PASSIVATE OVERALL. 20 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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