PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5/8-11 UNRC-3A X 1 1 3/4 INCHL1Screw,cap,socket Head

Naval Inventory Control Point Mechanicsburg · NSN 5305-01-545-0168 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-545-0168 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-545-0168. Primary manufacturer part number: 5/8-11 UNRC-3A X 1 1 3/4 INCHL1.
Features
  • Screw,cap,socket Head — FSC 5305
  • Criticality Code Justification: ZZZX
  • Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
  • 13 verified cross-references
  • Primary manufacturer: Naval Inventory Control Point Mechanicsburg
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-545-0168, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 4 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
NSN5305-01-545-0168
Primary Part Number5/8-11 UNRC-3A X 1 1 3/4 INCHL1
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Criticality Code JustificationZZZX
Departure From Cited DesignatorMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-01-170-4119 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-172-5923 INTERCHANGEABLE
Screw,machine
5307-01-208-5421 INTERCHANGEABLE
Stud,continuous Thread
5307-01-227-2872 INTERCHANGEABLE
Stud,continuous Thread
5307-01-289-7148 INTERCHANGEABLE
Stud,plain
5307-01-306-7522 INTERCHANGEABLE
Stud,continuous Thread
5307-01-306-7538 INTERCHANGEABLE
Stud,continuous Thread
5307-01-321-7264 INTERCHANGEABLE
Stud,continuous Thread
5305-01-339-9560 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-348-1724 INTERCHANGEABLE
Screw,cap,socket Head
Cross-Reference Index
Part NumberManufacturer
5/8-11 UNRC-3A X 1 1 3/4 INCHL1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-DTL-1222 TYPE IIL1 Naval Inventory Control Point Mechanicsburg (USA)
2643-820-03 ITEM 41 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
MIL-DTL-1222 TYPE II Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
QQ-N-286, GRADE 500 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
0.625-11UNRC-3AX1.750LG NICUAL Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5/8-11 UNRC-3A X 1 1 3/4 INCH Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
0.625-11UNRC-3AX1.750LG NICUALL1 Naval Inventory Control Point Mechanicsburg (USA)
0.625-11UNRC-3AX1.750NICUALL1 Naval Inventory Control Point Mechanicsburg (USA)
QQ-N-286, GRADE 500L1 Naval Inventory Control Point Mechanicsburg (USA)
845-7286645 ITEM 41L1 Naval Inventory Control Point Mechanicsburg (USA)
845-7286645 ITEM 41 Naval Sea Systems Command (USA)
2643-820-03 ITEM 41L1 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5305-01-170-4119INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-172-5923INTERCHANGEABLE
SCREW,MACHINE
5307-01-208-5421INTERCHANGEABLE
STUD,CONTINUOUS THREAD
5307-01-227-2872INTERCHANGEABLE
STUD,CONTINUOUS THREAD
5307-01-289-7148INTERCHANGEABLE
STUD,PLAIN
5307-01-306-7522INTERCHANGEABLE
STUD,CONTINUOUS THREAD
5307-01-306-7538INTERCHANGEABLE
STUD,CONTINUOUS THREAD
5307-01-321-7264INTERCHANGEABLE
STUD,CONTINUOUS THREAD
5305-01-339-9560INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-348-1724INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-406-8548INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-423-8881INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD

Frequently Asked Questions

What is NSN 5305-01-545-0168?

NSN 5305-01-545-0168 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 5305-01-545-0168?

NSN 5305-01-545-0168 has 13 cross-referenced part numbers: 5/8-11 UNRC-3A X 1 1 3/4 INCHL1 (Naval Inventory Control Point Mechanicsburg), MIL-DTL-1222 TYPE IIL1 (Naval Inventory Control Point Mechanicsburg), 2643-820-03 ITEM 41 (Electric Boat Corporation Div General Dynamics Electric Boat), MIL-DTL-1222 TYPE II (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), QQ-N-286, GRADE 500 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 8 more.

What NSN replaces 5305-01-545-0168?

There are 12 known substitutes for 5305-01-545-0168: 5305-01-170-4119, 5305-01-172-5923, 5307-01-208-5421 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5/8-11 UNRC-3A X 1 1 3/4 INCHL1?

Key specifications for 5/8-11 UNRC-3A X 1 1 3/4 INCHL1: Criticality Code Justification: ZZZX; Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 2 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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