PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

QQ-N-281 GRADE 400 CLASS AL1Screw,cap,hexagon Head

Naval Inventory Control Point Mechanicsburg · NSN 5305-01-290-0006 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-290-0006 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-290-0006. Primary manufacturer part number: QQ-N-281 GRADE 400 CLASS AL1.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Departure From Cited Document: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
  • Departure From Cited Designator: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
  • Criticality Code Justification: ZZZW
  • 6 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 5305-01-290-0006, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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
NSN5305-01-290-0006
Primary Part NumberQQ-N-281 GRADE 400 CLASS AL1
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Departure From Cited DocumentMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Departure From Cited DesignatorQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
Criticality Code JustificationZZZW
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-01-065-8335 INTERCHANGEABLE
Screw,cap,hexagon Head
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
5305-01-290-0016 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
QQ-N-281 GRADE 400 CLASS AL1 Naval Inventory Control Point Mechanicsburg (USA)
1/4-20UNC-2A X 5/8 INCHL1 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
MIL-DTL-1222 TYPE I 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)
1/4-20UNC-2A X 5/8 INCH Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-01-065-8335INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
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
5305-01-290-0016INTERCHANGEABLE
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 5305-01-290-0006?

NSN 5305-01-290-0006 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 5305-01-290-0006?

NSN 5305-01-290-0006 has 6 cross-referenced part numbers: QQ-N-281 GRADE 400 CLASS AL1 (Naval Inventory Control Point Mechanicsburg), 1/4-20UNC-2A X 5/8 INCHL1 (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), MIL-DTL-1222 TYPE I (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) and 1 more.

What NSN replaces 5305-01-290-0006?

There are 12 known substitutes for 5305-01-290-0006: 5305-01-065-8335, 5310-01-144-3917, 5305-01-170-4119 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of QQ-N-281 GRADE 400 CLASS AL1?

Key specifications for QQ-N-281 GRADE 400 CLASS AL1: Departure From Cited Document: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS; Departure From Cited Designator: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS; Criticality Code Justification: ZZZW. 3 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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