PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

QQ-N-281 GRADE 400 CLASS AStud,continuous Thread

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5307-01-306-7558 · FSC 5307 · No Item Name Available
Verified by PartsTable
NSN 5307-01-306-7558 — this item is cataloged by the U.S. Government under National Stock Number 5307-01-306-7558. Primary manufacturer part number: QQ-N-281 GRADE 400 CLASS A.
Features
  • Stud,continuous Thread — FSC 5307
  • Departure From Cited Document: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) STUD THREAD
  • Nominal Thread Size: 0.625 INCHES STUD THREAD IN
  • Thread Direction: RIGHT-HAND STUD THREAD
  • Material Document and Classification: QQ-N-281,CL A,GR 400 FED SPEC SINGLE MATERIAL RESPONSE
  • Material: NICKEL ALLOY 400
  • Thread Class: 3A STUD THREAD A
Applications
  • Applications requiring Nickel Alloy 400 construction
General Description

The Stud,continuous Thread, cataloged under National Stock Number 5307-01-306-7558, is classified within Federal Supply Class 5307 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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
NSN5307-01-306-7558
Primary Part NumberQQ-N-281 GRADE 400 CLASS A
Item NameStud,continuous Thread
FSC / FSG5307 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Departure From Cited DocumentMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
Nominal Thread Size0.625 INCHES STUD THREAD IN
Thread DirectionRIGHT-HAND STUD THREAD
Material Document and ClassificationQQ-N-281,CL A,GR 400 FED SPEC SINGLE MATERIAL RESPONSE
MaterialNICKEL ALLOY 400
Thread Class3A STUD THREAD A
Nondefinitive Spec/std DataIV TYPE
Criticality Code JustificationZZZW
Thread Quantity Per Inch11 STUD THREAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-01-065-8335 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-226-0114 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-265-3777 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-290-0006 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
5305-01-302-5220 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-302-5223 INTERCHANGEABLE
Screw,cap,hexagon Head
5307-01-306-7531 INTERCHANGEABLE
Stud,continuous Thread
Cross-Reference Index
Part NumberManufacturer
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 IVL1 Naval Inventory Control Point Mechanicsburg (USA)
QQ-N-281 GRADE 400 CLASS AL1 Naval Inventory Control Point Mechanicsburg (USA)
5/8-11UNC-3A X 3 1/2 INCHESL1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-DTL-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5/8-11UNC-3A X 3 1/2 INCHES Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-1222 TYPE IV 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
5305-01-226-0114INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-265-3777INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
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
5307-01-306-7531INTERCHANGEABLE
STUD,CONTINUOUS THREAD
5307-01-306-7534INTERCHANGEABLE
STUD,CONTINUOUS THREAD
5307-01-306-7560INTERCHANGEABLE
STUD,CONTINUOUS THREAD

Frequently Asked Questions

What is NSN 5307-01-306-7558?

NSN 5307-01-306-7558 is a Stud,continuous Thread, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5307 (No Item Name Available). Status: active.

What are the part numbers for NSN 5307-01-306-7558?

NSN 5307-01-306-7558 has 7 cross-referenced part numbers: 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 IVL1 (Naval Inventory Control Point Mechanicsburg), QQ-N-281 GRADE 400 CLASS AL1 (Naval Inventory Control Point Mechanicsburg), 5/8-11UNC-3A X 3 1/2 INCHESL1 (Naval Inventory Control Point Mechanicsburg), MIL-DTL-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 5307-01-306-7558?

There are 12 known substitutes for 5307-01-306-7558: 5305-01-065-8335, 5305-01-226-0114, 5305-01-265-3777 and 9 more. Verify interchangeability with system specifications before substitution.

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

Key specifications for QQ-N-281 GRADE 400 CLASS A: Departure From Cited Document: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) STUD THREAD; Nominal Thread Size: 0.625 INCHES STUD THREAD IN; Thread Direction: RIGHT-HAND STUD THREAD. 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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