PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43910Thumbscrew

Jergens Inc Div Tooling Components Division · NSN 5305-01-439-2036 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-439-2036 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-439-2036. Primary manufacturer part number: 43910.
Features
  • Thumbscrew — FSC 5305
  • Color: BLACK OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Point Style: FULL DOG
  • Thread Length: 1.625 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Thumbscrew, cataloged under National Stock Number 5305-01-439-2036, 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 14 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-439-2036
Primary Part Number43910
Item NameThumbscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerJergens Inc Div Tooling Components Division
StatusACTIVE
ColorBLACK OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.375 INCHES IN
Point StyleFULL DOG
Thread Length1.625 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Thread Quantity Per Inch16
Surface TreatmentOXIDE OVERALL
Head Diameter1.250 INCHES NOMINAL IN
Head StyleKNURLED NO. 1
Fastener Length2.000 INCHES NOMINAL IN
Thread Class2A A
Head Height0.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5930-00-800-5243 INTERCHANGEABLE
Switch,liquid Level
5120-01-335-0947 INTERCHANGEABLE
Socket,socket Wrench
4520-01-523-237743910 INTERCHANGEABLE
Heating Element,electrical,immer
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Cross-Reference Index
Part NumberManufacturer
43910 PRIMARY Jergens Inc Div Tooling Components Division (USA)
Related Parts
5930-00-800-5243INTERCHANGEABLE
SWITCH,LIQUID LEVEL
5120-01-335-0947INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4520-01-523-2377INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,IMMER
43910

Frequently Asked Questions

What is NSN 5305-01-439-2036?

NSN 5305-01-439-2036 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 5305-01-439-2036?

NSN 5305-01-439-2036 has 1 cross-referenced part number: 43910 (Jergens Inc Div Tooling Components Division).

What NSN replaces 5305-01-439-2036?

There are 3 known substitutes for 5305-01-439-2036: 5930-00-800-5243, 5120-01-335-0947, 4520-01-523-2377. Verify interchangeability with system specifications before substitution.

What are the specifications of 43910?

Key specifications for 43910: Color: BLACK OVERALL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Diameter: 0.375 INCHES IN; Point Style: FULL DOG. 14 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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