PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31104Thumbscrew

Jergens Inc Div Tooling Components Division · NSN 5305-01-701-3241 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-701-3241 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-701-3241. Primary manufacturer part number: 31104.
Features
  • Thumbscrew — FSC 5305
  • Color: BLACK FASTENER
  • Surface Treatment: OXIDE FASTENER
  • Head Length: 0.71875 INCHES NOMINAL IN
  • Thread Length: 1.46875 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.3125 INCHES IN
  • Thread Class: 2A A
  • Thread Direction: RIGHT-HAND
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Thumbscrew, cataloged under National Stock Number 5305-01-701-3241, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Jergens Inc Div Tooling Components Division. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-701-3241
Primary Part Number31104
Item NameThumbscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerJergens Inc Div Tooling Components Division
StatusACTIVE
ColorBLACK FASTENER
Surface TreatmentOXIDE FASTENER
Head Length0.71875 INCHES NOMINAL IN
Thread Length1.46875 INCHES NOMINAL IN
Nominal Thread Diameter0.3125 INCHES IN
Thread Class2A A
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch18
Fastener Length1.750 INCHES NOMINAL IN
Point Length0.28125 INCHES NOMINAL IN
Head Height1.00 INCHES NOMINAL IN
Point Diameter0.240 INCHES NOMINAL IN
Point StyleUNIVERSAL
ColorSILVER HEAD
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface TreatmentCHROMIUM HEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
9540-00-234-0623 INTERCHANGEABLE
Beam,structural
5136-00-239-27733506 INTERCHANGEABLE
Die,thread Cutting
Stanley Tools Div of Stanley Works
5340-00-247-052931104 INTERCHANGEABLE
Buckle
Danfoss Power Solutions II, Llc
5940-00-249-685812Z7000-1 INTERCHANGEABLE
Terminal,lug
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5935-00-257-7312 INTERCHANGEABLE
Connector,receptacle,electrical
4030-00-285-9951 INTERCHANGEABLE
Hook,slip
5133-00-839-543331104 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
5330-00-868-258431104 INTERCHANGEABLE
Gasket,spiral Wound
Flowserve Inc
3020-01-414-040131104 INTERCHANGEABLE
Gear,spur
Belfort Instrument Company
6640-01-528-25853110-4 INTERCHANGEABLE
Maintenance Bath in
Hart Scientific Llc
Cross-Reference Index
Part NumberManufacturer
31104 PRIMARY Jergens Inc Div Tooling Components Division (USA)
Related Parts
9540-00-234-0623INTERCHANGEABLE
BEAM,STRUCTURAL
5136-00-239-2773INTERCHANGEABLE
DIE,THREAD CUTTING
3506
5340-00-247-0529INTERCHANGEABLE
BUCKLE
31104
5940-00-249-6858INTERCHANGEABLE
TERMINAL,LUG
12Z7000-1
5935-00-257-7312INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
4030-00-285-9951INTERCHANGEABLE
HOOK,SLIP
5133-00-839-5433INTERCHANGEABLE
DRILL,TWIST
31104
5330-00-868-2584INTERCHANGEABLE
GASKET,SPIRAL WOUND
31104
3020-01-414-0401INTERCHANGEABLE
GEAR,SPUR
31104
6640-01-528-2585INTERCHANGEABLE
MAINTENANCE BATH IN
3110-4
6515-01-656-8353INTERCHANGEABLE
CANNULA,CARDIOVASCULAR
31104

Frequently Asked Questions

What is NSN 5305-01-701-3241?

NSN 5305-01-701-3241 is a Thumbscrew, manufactured by Jergens Inc Div Tooling Components Division, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-701-3241?

NSN 5305-01-701-3241 has 1 cross-referenced part number: 31104 (Jergens Inc Div Tooling Components Division).

What NSN replaces 5305-01-701-3241?

There are 11 known substitutes for 5305-01-701-3241: 9540-00-234-0623, 5136-00-239-2773, 5340-00-247-0529 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31104?

Key specifications for 31104: Color: BLACK FASTENER; Surface Treatment: OXIDE FASTENER; Head Length: 0.71875 INCHES NOMINAL IN; Thread Length: 1.46875 INCHES NOMINAL IN. 17 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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