PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4044Thumbscrew

Roller Bearing Co of America, Inc Div Pic Design · NSN 5305-00-470-8379 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-470-8379 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-470-8379. Primary manufacturer part number: 4044.
Features
  • Thumbscrew — FSC 5305
  • Thread Length: 1.250 INCHES MINIMUM IN
  • Head Height: 0.188 INCHES NOMINAL IN
  • Thread Class: 2A A
  • Thread Series Designator: UNF
  • Surface Treatment: PASSIVATE OVERALL
  • Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 303 OVERALL
Applications
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Thumbscrew, cataloged under National Stock Number 5305-00-470-8379, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-470-8379
Primary Part Number4044
Item NameThumbscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
Thread Length1.250 INCHES MINIMUM IN
Head Height0.188 INCHES NOMINAL IN
Thread Class2A A
Thread Series DesignatorUNF
Surface TreatmentPASSIVATE OVERALL
Material Document and ClassificationQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 303 OVERALL
Nominal Thread Diameter0.190 INCHES IN
Point StyleFLAT
Fastener Length1.500 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Head StyleKNURLED NO. 1
Head Diameter0.500 INCHES NOMINAL IN
Thread Quantity Per Inch32
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5940-00-177-7973 INTERCHANGEABLE
Terminal,lug
5136-00-189-3219402316 INTERCHANGEABLE
Die,thread Cutting
Greenfield Industries Inc
5999-00-217-095240-44 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
5120-00-221-15061570 INTERCHANGEABLE
Caps,vise Jaw
Reed Manufacturing Company
6645-00-225-27104044 INTERCHANGEABLE
Wheel,hour
Wakmann Watch Company Inc
5940-00-740-79334044-5 INTERCHANGEABLE
Terminal,lug
Brainin-Advance Industries, Llc
2510-00-846-602801637 INTERCHANGEABLE
Shock Absorber,direct Action
Navistar Intl Corp Truck Br Ohio Plant
5999-00-891-277602-0101-0404-4 INTERCHANGEABLE
Shielding Gasket,electronic
Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
6680-00-904-33083305229PT5 INTERCHANGEABLE
Indicator,sight,liquid
Naval Ship Systems Command
5950-00-969-23294044 INTERCHANGEABLE
Saturable Reactor
American Shizuki Corp
Cross-Reference Index
Part NumberManufacturer
4044 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
4044U Roller Bearing Co of America, Inc Div Pic Design (USA)
Related Parts
5940-00-177-7973INTERCHANGEABLE
TERMINAL,LUG
5136-00-189-3219INTERCHANGEABLE
DIE,THREAD CUTTING
402316
5999-00-217-0952INTERCHANGEABLE
CONTACT,ELECTRICAL
40-44
5120-00-221-1506INTERCHANGEABLE
CAPS,VISE JAW
1570
6645-00-225-2710INTERCHANGEABLE
WHEEL,HOUR
4044
5940-00-740-7933INTERCHANGEABLE
TERMINAL,LUG
4044-5
2510-00-846-6028INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
01637
5999-00-891-2776INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
02-0101-0404-4
6680-00-904-3308INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
3305229PT5
5950-00-969-2329INTERCHANGEABLE
SATURABLE REACTOR
4044
5805-01-009-4852INTERCHANGEABLE
TELEGRAPH REPEATER SUBASSEMBLY
412-01
6750-01-040-8776INTERCHANGEABLE
FILM,DIAZOTYPE,SENSITIZED

Frequently Asked Questions

What is NSN 5305-00-470-8379?

NSN 5305-00-470-8379 is a Thumbscrew, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-470-8379?

NSN 5305-00-470-8379 has 2 cross-referenced part numbers: 4044 (Roller Bearing Co of America, Inc Div Pic Design), 4044U (Roller Bearing Co of America, Inc Div Pic Design).

What NSN replaces 5305-00-470-8379?

There are 12 known substitutes for 5305-00-470-8379: 5940-00-177-7973, 5136-00-189-3219, 5999-00-217-0952 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4044?

Key specifications for 4044: Thread Length: 1.250 INCHES MINIMUM IN; Head Height: 0.188 INCHES NOMINAL IN; Thread Class: 2A A; Thread Series Designator: UNF. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-470-8379 still in active supply?

NSN 5305-00-470-8379 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.
PartsTable Design LLC · partstable.com