PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-1222 TYII GR500SLFLKGL1Screw,cap,socket Head

Naval Inventory Control Point Mechanicsburg · NSN 5305-01-393-7498 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-393-7498 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-393-7498. Primary manufacturer part number: MIL-DTL-1222 TYII GR500SLFLKGL1.
Features
  • Screw,cap,socket Head — FSC 5305
  • Thread Class: 3A A
  • Nominal Thread Diameter: 0.625 INCHES IN
  • Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
  • Material Document and Classification: QQ-N-286 GR 500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: NICKEL ALLOY OVERALL
  • Fastener Length: 1.750 INCHES MAXIMUM IN
  • Criticality Code Justification: ZZZX
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-393-7498, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-393-7498
Primary Part NumberMIL-DTL-1222 TYII GR500SLFLKGL1
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Thread Class3A A
Nominal Thread Diameter0.625 INCHES IN
Departure From Cited DesignatorMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Material Document and ClassificationQQ-N-286 GR 500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialNICKEL ALLOY OVERALL
Fastener Length1.750 INCHES MAXIMUM IN
Criticality Code JustificationZZZX
Thread Quantity Per Inch11
Thread Series DesignatorUNRC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-01-299-6598 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-303-4053 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-346-1579 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-348-1724 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-354-4678 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-393-7488 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-393-7708 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-398-9865 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-398-9866 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-400-3360 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-1222 TYII GR500SLFLKGL1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-DTL-1222 TYII GR500SLFLKG Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
211068788 Naval Sea Systems Command (USA)
801-6404584 FIND 32 Naval Sea Systems Command (USA)
6404584 FIND 32L1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-DTL-1222 TY II Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-1222 TY IIL1 Naval Inventory Control Point Mechanicsburg (USA)
211068788L1 Naval Inventory Control Point Mechanicsburg (USA)
801-6404584 FIND 32L1 Naval Inventory Control Point Mechanicsburg (USA)
6404584 FIND 32 Naval Sea Systems Command (USA)
Related Parts
5305-01-299-6598INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-303-4053INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-346-1579INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-348-1724INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-354-4678INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-393-7488INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-393-7708INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-398-9865INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-398-9866INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-400-3360INTERCHANGEABLE
SCREW,MACHINE
5305-01-406-8548INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-417-7135INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD

Frequently Asked Questions

What is NSN 5305-01-393-7498?

NSN 5305-01-393-7498 is a Screw,cap,socket Head, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-393-7498?

NSN 5305-01-393-7498 has 10 cross-referenced part numbers: MIL-DTL-1222 TYII GR500SLFLKGL1 (Naval Inventory Control Point Mechanicsburg), MIL-DTL-1222 TYII GR500SLFLKG (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 211068788 (Naval Sea Systems Command), 801-6404584 FIND 32 (Naval Sea Systems Command), 6404584 FIND 32L1 (Naval Inventory Control Point Mechanicsburg) and 5 more.

What NSN replaces 5305-01-393-7498?

There are 12 known substitutes for 5305-01-393-7498: 5305-01-299-6598, 5305-01-303-4053, 5305-01-346-1579 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-1222 TYII GR500SLFLKGL1?

Key specifications for MIL-DTL-1222 TYII GR500SLFLKGL1: Thread Class: 3A A; Nominal Thread Diameter: 0.625 INCHES IN; Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS; Material Document and Classification: QQ-N-286 GR 500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 10 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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