PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5/8-11UNC-2A X 4 1/2 INCHESL1Screw,cap,hexagon Head

Naval Inventory Control Point Mechanicsburg · NSN 5305-01-065-8335 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-065-8335 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-065-8335. Primary manufacturer part number: 5/8-11UNC-2A X 4 1/2 INCHESL1.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Criticality Code Justification: ZZZX
  • Departure From Cited Designator: QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTIONS FOR LEVEL 1 ITEMS
  • 9 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,hexagon Head, cataloged under National Stock Number 5305-01-065-8335, 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 9 commercial cross-references from 2 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
NSN5305-01-065-8335
Primary Part Number5/8-11UNC-2A X 4 1/2 INCHESL1
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Criticality Code JustificationZZZX
Departure From Cited DesignatorQUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTIONS FOR LEVEL 1 ITEMS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-01-144-3917 INTERCHANGEABLE
Nut,plain,hexagon
5305-01-170-4119 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-226-0114 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-265-3777 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-267-4982 INTERCHANGEABLE
Screw,cap,hexagon Head
5310-01-269-0358 INTERCHANGEABLE
Nut,plain,hexagon
5305-01-290-0006 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-290-0016 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-290-0019 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-302-5219 INTERCHANGEABLE
Screw,cap,socket Head
Cross-Reference Index
Part NumberManufacturer
5/8-11UNC-2A X 4 1/2 INCHESL1 Naval Inventory Control Point Mechanicsburg (USA)
QQ-N-281 GRADE 400, CLASS A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5/8-11UNC-2A X 4 1/2 INCHES Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-1222, TYPE IL1 Naval Inventory Control Point Mechanicsburg (USA)
QQ-N-281 GRADE 400, CLASS AL1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-DTL-1222, TYPE I Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILS1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILS1222L1 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5310-01-144-3917INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5305-01-170-4119INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-226-0114INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-265-3777INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-267-4982INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5310-01-269-0358INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5305-01-290-0006INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-290-0016INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-290-0019INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-302-5219INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-302-5220INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-302-5223INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD

Frequently Asked Questions

What is NSN 5305-01-065-8335?

NSN 5305-01-065-8335 is a Screw,cap,hexagon 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 5305-01-065-8335?

NSN 5305-01-065-8335 has 9 cross-referenced part numbers: 5/8-11UNC-2A X 4 1/2 INCHESL1 (Naval Inventory Control Point Mechanicsburg), QQ-N-281 GRADE 400, CLASS A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 5/8-11UNC-2A X 4 1/2 INCHES (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-1222, TYPE IL1 (Naval Inventory Control Point Mechanicsburg), QQ-N-281 GRADE 400, CLASS AL1 (Naval Inventory Control Point Mechanicsburg) and 4 more.

What NSN replaces 5305-01-065-8335?

There are 12 known substitutes for 5305-01-065-8335: 5310-01-144-3917, 5305-01-170-4119, 5305-01-226-0114 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5/8-11UNC-2A X 4 1/2 INCHESL1?

Key specifications for 5/8-11UNC-2A X 4 1/2 INCHESL1: Criticality Code Justification: ZZZX; Departure From Cited Designator: QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTIONS FOR LEVEL 1 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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