PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3/4-10UNC-3A X 3 1/2 TYIV CLASL1Stud,continuous Thread

Naval Inventory Control Point Mechanicsburg · NSN 5307-01-187-4938 · FSC 5307 · No Item Name Available
Verified by PartsTable
NSN 5307-01-187-4938 — this item is cataloged by the U.S. Government under National Stock Number 5307-01-187-4938. Primary manufacturer part number: 3/4-10UNC-3A X 3 1/2 TYIV CLASL1.
Features
  • Stud,continuous Thread — FSC 5307
  • Material: NICKEL ALLOY
  • Nominal Thread Size: 0.750 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
  • Criticality Code Justification: ZZZX
  • Thread Quantity Per Inch: 10 LOCATION NOT OTHERWISE SPECIFIED
  • Thread Class: 3A LOCATION NOT OTHERWISE SPECIFIED A
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
  • Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
Applications
  • Applications requiring Nickel Alloy construction
General Description

The Stud,continuous Thread, cataloged under National Stock Number 5307-01-187-4938, is classified within Federal Supply Class 5307 (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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 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: Cancelled.

Technical Specifications
ParameterValue
NSN5307-01-187-4938
Primary Part Number3/4-10UNC-3A X 3 1/2 TYIV CLASL1
Item NameStud,continuous Thread
FSC / FSG5307 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusCANCELLED
MaterialNICKEL ALLOY
Nominal Thread Size0.750 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
Criticality Code JustificationZZZX
Thread Quantity Per Inch10 LOCATION NOT OTHERWISE SPECIFIED
Thread Class3A LOCATION NOT OTHERWISE SPECIFIED A
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
Thread DirectionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
Departure From Cited DesignatorMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-01-041-2825 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-041-2828 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-079-9585 INTERCHANGEABLE
Screw,cap,hexagon Head
5307-01-198-4194 INTERCHANGEABLE
Stud,plain
5307-01-225-2943 INTERCHANGEABLE
Stud,continuous Thread
5305-01-226-0116 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-255-3503 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-270-6171 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-290-0027 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-302-5223 INTERCHANGEABLE
Screw,cap,hexagon Head
Cross-Reference Index
Part NumberManufacturer
3/4-10UNC-3A X 3 1/2 TYIV CLASL1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-DTL-1222 QQ-N-281 GR400L1 Naval Inventory Control Point Mechanicsburg (USA)
2642-026-01 ITEM 26 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
MIL-DTL-1222 QQ-N-281 GR400 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3/4-10UNC-3A X 3 1/2 TYIV CLAS Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
845-4687589 ITEM 26L1 Naval Inventory Control Point Mechanicsburg (USA)
2642-926-01 ITEM 26L1 Naval Inventory Control Point Mechanicsburg (USA)
845-4687589 ITEM 26 Naval Ship Systems Command (USA)
Related Parts
5305-01-041-2825INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-041-2828INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-079-9585INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5307-01-198-4194INTERCHANGEABLE
STUD,PLAIN
5307-01-225-2943INTERCHANGEABLE
STUD,CONTINUOUS THREAD
5305-01-226-0116INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-255-3503INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-270-6171INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-290-0027INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-302-5223INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5307-01-306-7531INTERCHANGEABLE
STUD,CONTINUOUS THREAD
5307-01-306-7533INTERCHANGEABLE
STUD,CONTINUOUS THREAD

Frequently Asked Questions

What is NSN 5307-01-187-4938?

NSN 5307-01-187-4938 is a Stud,continuous Thread, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5307 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5307-01-187-4938?

NSN 5307-01-187-4938 has 8 cross-referenced part numbers: 3/4-10UNC-3A X 3 1/2 TYIV CLASL1 (Naval Inventory Control Point Mechanicsburg), MIL-DTL-1222 QQ-N-281 GR400L1 (Naval Inventory Control Point Mechanicsburg), 2642-026-01 ITEM 26 (Electric Boat Corporation Div General Dynamics Electric Boat), MIL-DTL-1222 QQ-N-281 GR400 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 3/4-10UNC-3A X 3 1/2 TYIV CLAS (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 5307-01-187-4938?

There are 12 known substitutes for 5307-01-187-4938: 5305-01-041-2825, 5305-01-041-2828, 5305-01-079-9585 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3/4-10UNC-3A X 3 1/2 TYIV CLASL1?

Key specifications for 3/4-10UNC-3A X 3 1/2 TYIV CLASL1: Material: NICKEL ALLOY; Nominal Thread Size: 0.750 INCHES LOCATION NOT OTHERWISE SPECIFIED IN; Criticality Code Justification: ZZZX; Thread Quantity Per Inch: 10 LOCATION NOT OTHERWISE SPECIFIED. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5307-01-187-4938 still in active supply?

NSN 5307-01-187-4938 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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