PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

QQ-N-281L1Screw,cap,socket Head

Naval Inventory Control Point Mechanicsburg · NSN 5305-01-423-3230 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-423-3230 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-423-3230. Primary manufacturer part number: QQ-N-281L1.
Features
  • Screw,cap,socket Head — FSC 5305
  • Nominal Thread Diameter: 0.500 INCHES IN
  • Material Document and Classification: QQ-N-286 GR500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: NICKEL ALLOY OVERALL
  • Fastener Length: 1.125 INCHES MAXIMUM IN
  • Thread Class: 3A A
  • Thread Series Designator: UNRC
  • Thread Quantity Per Inch: 13
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 5305-01-423-3230, 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 12 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-423-3230
Primary Part NumberQQ-N-281L1
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Nominal Thread Diameter0.500 INCHES IN
Material Document and ClassificationQQ-N-286 GR500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialNICKEL ALLOY OVERALL
Fastener Length1.125 INCHES MAXIMUM IN
Thread Class3A A
Thread Series DesignatorUNRC
Thread Quantity Per Inch13
Departure From Cited DesignatorMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Criticality Code JustificationZZZX
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-01-393-7708 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-460-2992 INTERCHANGEABLE
Screw,cap,socket Head
Cross-Reference Index
Part NumberManufacturer
QQ-N-281L1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-DTL-1222 TY II SLFLKGL1 Naval Inventory Control Point Mechanicsburg (USA)
211072227L1 Naval Inventory Control Point Mechanicsburg (USA)
SIZE 0.500-13UNRC-3A X 1.125L1 Naval Inventory Control Point Mechanicsburg (USA)
SIZE 0.500-13UNRC-3A X 1.125 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
QQ-N-281 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MIL-DTL-1222 TY II SLFLKG Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-1222 TYII GR400 SLF-LKG Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
652-6405735-SGMB FIND B23L1 Naval Inventory Control Point Mechanicsburg (USA)
652-6405735-SGMB FIND B23 Naval Sea Systems Command (USA)
MIL-DTL-1222 TYII GR400SLF-LKGL1 Naval Inventory Control Point Mechanicsburg (USA)
211072227 Naval Sea Systems Command (USA)
Related Parts
5305-01-393-7708INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-460-2992INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD

Frequently Asked Questions

What is NSN 5305-01-423-3230?

NSN 5305-01-423-3230 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 5305-01-423-3230?

NSN 5305-01-423-3230 has 12 cross-referenced part numbers: QQ-N-281L1 (Naval Inventory Control Point Mechanicsburg), MIL-DTL-1222 TY II SLFLKGL1 (Naval Inventory Control Point Mechanicsburg), 211072227L1 (Naval Inventory Control Point Mechanicsburg), SIZE 0.500-13UNRC-3A X 1.125L1 (Naval Inventory Control Point Mechanicsburg), SIZE 0.500-13UNRC-3A X 1.125 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 7 more.

What NSN replaces 5305-01-423-3230?

There are 2 known substitutes for 5305-01-423-3230: 5305-01-393-7708, 5305-01-460-2992. Verify interchangeability with system specifications before substitution.

What are the specifications of QQ-N-281L1?

Key specifications for QQ-N-281L1: End Item Identification: OPERATING ROD ASSEMBLY; Nominal Thread Diameter: 0.500 INCHES IN; Material Document and Classification: QQ-N-286 GR500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: NICKEL ALLOY OVERALL. 11 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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