PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

211068639Screw,cap,socket Head

Naval Sea Systems Command · NSN 5305-01-420-8872 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-420-8872 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-420-8872. Primary manufacturer part number: 211068639.
Features
  • Screw,cap,socket Head — FSC 5305
  • Fastener Length: 1.500 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.500 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Head Style: FLAT CHAMFER
  • Nondefinitive Spec/std Data: 2 TYPE
  • Thread Series Designator: UNRC
  • Head Diameter: 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy 500 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-420-8872, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-01-420-8872
Primary Part Number211068639
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusCANCELLED
Fastener Length1.500 INCHES NOMINAL IN
Nominal Thread Diameter0.500 INCHES IN
Thread DirectionRIGHT-HAND
Head StyleFLAT CHAMFER
Nondefinitive Spec/std Data2 TYPE
Thread Series DesignatorUNRC
Head Diameter0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Width Across Flats0.375 INCHES NOMINAL IN
Thread Quantity Per Inch13
Head Height0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
MaterialNICKEL ALLOY 500 OVERALL
Internal Drive StyleHEXAGON
Thread Class3A A
Thread Length1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5305-01-337-3788 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-612-6008563-7286781-71 INTERCHANGEABLE
Screw,cap,socket Head
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
211034512 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
801-6405530 FIND 19 Naval Sea Systems Command (USA)
0.50013UNRC3A1.500T2GR500 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
MIL-DTL-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
211068639 PRIMARY Naval Sea Systems Command (USA)
801-6405354 FIND 55 Naval Sea Systems Command (USA)
801-6404585 FIND 17 PRIMARY Naval Sea Systems Command (USA)
Related Parts
5305-01-337-3788INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-612-6008INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
563-7286781-71

Frequently Asked Questions

What is NSN 5305-01-420-8872?

NSN 5305-01-420-8872 is a Screw,cap,socket Head, manufactured by Naval Sea Systems Command, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-01-420-8872?

NSN 5305-01-420-8872 has 8 cross-referenced part numbers: 211034512 (Huntington Ingalls Inc Div Newport News Shipbuilding), 801-6405530 FIND 19 (Naval Sea Systems Command), 0.50013UNRC3A1.500T2GR500 (American National Standards Institute Incorporated Dba American National Standards Institute), MIL-DTL-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 5305-01-420-8872?

There are 2 known substitutes for 5305-01-420-8872: 5305-01-337-3788, 5305-01-612-6008. Verify interchangeability with system specifications before substitution.

What are the specifications of 211068639?

Key specifications for 211068639: Fastener Length: 1.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.500 INCHES IN; Thread Direction: RIGHT-HAND; Head Style: FLAT CHAMFER. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-01-420-8872 still in active supply?

NSN 5305-01-420-8872 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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