PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20003Thumbscrew

Northwestern Tools, Inc. · NSN 5305-01-345-2944 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-345-2944 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-345-2944. Primary manufacturer part number: 20003.
Features
  • Thumbscrew — FSC 5305
  • Thread Class: 2A A
  • Head Style: KNURLED NO. 1
  • Thread Direction: RIGHT-HAND
  • Head Height: 0.250 INCHES NOMINAL IN
  • Thread Length: 2.889 INCHES NOMINAL IN
  • Head Diameter: 0.750 INCHES NOMINAL IN
  • Point Style: POINTLESS
Applications
  • Applications requiring Steel Overall construction
General Description

The Thumbscrew, cataloged under National Stock Number 5305-01-345-2944, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northwestern Tools, Inc.. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-345-2944
Primary Part Number20003
Item NameThumbscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNorthwestern Tools, Inc.
StatusACTIVE
Thread Class2A A
Head StyleKNURLED NO. 1
Thread DirectionRIGHT-HAND
Head Height0.250 INCHES NOMINAL IN
Thread Length2.889 INCHES NOMINAL IN
Head Diameter0.750 INCHES NOMINAL IN
Point StylePOINTLESS
Thread Quantity Per Inch18
Fastener Length3.000 INCHES NOMINAL IN
Nominal Thread Diameter0.312 INCHES IN
ColorBLACK OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL OVERALL
Surface TreatmentOXIDE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-242-3434 INTERCHANGEABLE
Punch,starter
5330-00-292-1598052063-5 INTERCHANGEABLE
Seal,plain Encased
Gits Mfg Co Inc
2520-00-450-9254 INTERCHANGEABLE
Housing,clutch
4130-00-523-56242000-3 INTERCHANGEABLE
Disk,suction Valve
Grasso Inc
5935-00-660-59319063136 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Aviation and Missile Command
7320-01-141-41682000-3 INTERCHANGEABLE
Food Waste Disposal System
Ni Industries Inc Thermador/waste King Div
6525-01-204-181320003 INTERCHANGEABLE
Film,nuclear Medicine
Eastman Kodak Company Dba Kodak
5930-01-237-3755 INTERCHANGEABLE
Switch,push
5945-01-314-95271551AS249-4 INTERCHANGEABLE
Relay,electromagnetic
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5940-01-394-704920003 INTERCHANGEABLE
Terminal Board
Exstar International Corporation
Cross-Reference Index
Part NumberManufacturer
20003 PRIMARY Northwestern Tools, Inc. (USA)
Related Parts
5120-00-242-3434INTERCHANGEABLE
PUNCH,STARTER
5330-00-292-1598INTERCHANGEABLE
SEAL,PLAIN ENCASED
052063-5
2520-00-450-9254INTERCHANGEABLE
HOUSING,CLUTCH
4130-00-523-5624INTERCHANGEABLE
DISK,SUCTION VALVE
2000-3
5935-00-660-5931INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
9063136
7320-01-141-4168INTERCHANGEABLE
FOOD WASTE DISPOSAL SYSTEM
2000-3
6525-01-204-1813INTERCHANGEABLE
FILM,NUCLEAR MEDICINE
20003
5930-01-237-3755INTERCHANGEABLE
SWITCH,PUSH
5945-01-314-9527INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
1551AS249-4
5940-01-394-7049INTERCHANGEABLE
TERMINAL BOARD
20003
3040-01-437-5481INTERCHANGEABLE
SHAFT ASSEMBLY,SHOULDERED
80053-2
4810-01-445-0855INTERCHANGEABLE
ACTUATOR,ELECTROMECHANICAL,ROTAR
20003-4

Frequently Asked Questions

What is NSN 5305-01-345-2944?

NSN 5305-01-345-2944 is a Thumbscrew, manufactured by Northwestern Tools, Inc., classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-345-2944?

NSN 5305-01-345-2944 has 1 cross-referenced part number: 20003 (Northwestern Tools, Inc.).

What NSN replaces 5305-01-345-2944?

There are 12 known substitutes for 5305-01-345-2944: 5120-00-242-3434, 5330-00-292-1598, 2520-00-450-9254 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20003?

Key specifications for 20003: Thread Class: 2A A; Head Style: KNURLED NO. 1; Thread Direction: RIGHT-HAND; Head Height: 0.250 INCHES NOMINAL IN. 15 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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