PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

211055854Screw,cap,socket Head

Naval Sea Systems Command · NSN 5305-01-393-7488 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-393-7488 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-393-7488. Primary manufacturer part number: 211055854.
Features
  • Screw,cap,socket Head — FSC 5305
  • Nominal Thread Diameter: 1.000 INCHES IN
  • Material Document and Classification: QQ-N-286 GR 500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
  • Material: NICKEL ALLOY OVERALL
  • Thread Series Designator: UNRC
  • Nondefinitive Spec/std Data: 6 TYPE
  • Thread Direction: RIGHT-HAND
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 5305-01-393-7488, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 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: Cancelled.

Technical Specifications
ParameterValue
NSN5305-01-393-7488
Primary Part Number211055854
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusCANCELLED
Nominal Thread Diameter1.000 INCHES IN
Material Document and ClassificationQQ-N-286 GR 500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Departure From Cited DesignatorMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
MaterialNICKEL ALLOY OVERALL
Thread Series DesignatorUNRC
Nondefinitive Spec/std Data6 TYPE
Thread DirectionRIGHT-HAND
Criticality Code JustificationZZZX
Thread Quantity Per Inch8
Fastener Length5.500 INCHES MAXIMUM IN
Thread Class3A A
Internal Drive StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
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
5305-01-393-7498 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
211055854 Naval Sea Systems Command (USA)
6408790 FN 13L1 Naval Inventory Control Point Mechanicsburg (USA)
1.000-8UNRC-3A X 5.500L1 Naval Inventory Control Point Mechanicsburg (USA)
211069054 Naval Sea Systems Command (USA)
211055854L1 Naval Inventory Control Point Mechanicsburg (USA)
801-6408790 FN 13 Naval Sea Systems Command (USA)
MIL-DTL-1222 TY IIL1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-DTL-1222TYII GR500 SLF-LKG Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
DF330671 FIND 13 Naval Sea Systems Command (USA)
211069054L1 Naval Inventory Control Point Mechanicsburg (USA)
1.000-8UNRC-3A X 5.500 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
DF330671 FIND 13L1 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
801-6408790 FIND 13L1 Naval Inventory Control Point Mechanicsburg (USA)
801-6408790 FN 13L1 Naval Inventory Control Point Mechanicsburg (USA)
801-6408790 FIND 13 Naval Sea Systems Command (USA)
6408790 FN 13 Naval Sea Systems Command (USA)
MIL-DTL-1222TYII GR500 SLF-LKGL1 Naval Inventory Control Point Mechanicsburg (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
5305-01-393-7498INTERCHANGEABLE
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 5305-01-393-7488?

NSN 5305-01-393-7488 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 5305-01-393-7488?

NSN 5305-01-393-7488 has 18 cross-referenced part numbers: 211055854 (Naval Sea Systems Command), 6408790 FN 13L1 (Naval Inventory Control Point Mechanicsburg), 1.000-8UNRC-3A X 5.500L1 (Naval Inventory Control Point Mechanicsburg), 211069054 (Naval Sea Systems Command), 211055854L1 (Naval Inventory Control Point Mechanicsburg) and 13 more.

What NSN replaces 5305-01-393-7488?

There are 12 known substitutes for 5305-01-393-7488: 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 211055854?

Key specifications for 211055854: Nominal Thread Diameter: 1.000 INCHES IN; Special Features: SCREW, CAP, SOCKET HEAD, SELF LOCKING (REQUESTED NAME); Material Document and Classification: QQ-N-286 GR 500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-01-393-7488 still in active supply?

NSN 5305-01-393-7488 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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