PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4047Thumbscrew

Roller Bearing Co of America, Inc Div Pic Design · NSN 5305-00-781-9059 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-781-9059 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-781-9059. Primary manufacturer part number: 4047.
Features
  • Thumbscrew — FSC 5305
  • Thread Length: 1.000 INCHES MINIMUM IN
  • Fastener Length: 1.250 INCHES NOMINAL IN
  • Thread Series Designator: UNF
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Material: STEEL COMP 303 OVERALL
  • Point Style: FLAT
Applications
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Thumbscrew, cataloged under National Stock Number 5305-00-781-9059, 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 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
NSN5305-00-781-9059
Primary Part Number4047
Item NameThumbscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
Thread Length1.000 INCHES MINIMUM IN
Fastener Length1.250 INCHES NOMINAL IN
Thread Series DesignatorUNF
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 303 OVERALL
Point StyleFLAT
Head Diameter0.750 INCHES NOMINAL IN
Head StyleKNURLED NO. 1
Thread Class2A A
Thread Quantity Per Inch32
Nominal Thread Diameter0.190 INCHES IN
Thread DirectionRIGHT-HAND
Head Height0.187 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2815-00-231-5714 INTERCHANGEABLE
Ring Set,piston
4330-00-274-6350B-3A1-4B INTERCHANGEABLE
Filter,fluid
Parker-Hannifin Corporation
5315-00-349-94384047 INTERCHANGEABLE
Pin,shoulder,headless
Wakmann Watch Company Inc
5945-00-628-64848151703-0002 INTERCHANGEABLE
Relay,hybrid
Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)
5950-00-791-0924 INTERCHANGEABLE
Transformer,audio Frequency
5999-00-866-6211966499 INTERCHANGEABLE
Heater,thermal Release
Westinghouse Electric Corp
4310-00-900-16304047 INTERCHANGEABLE
Piston,compressor
Saylor-Beall Manufacturing Company
5975-01-071-6897 INTERCHANGEABLE
Test Plug
4920-01-080-5899DSC-5012-SR-2024 INTERCHANGEABLE
Converter,module
Natel Engineering Company, Llc Div Natel Chatsworth Division
6505-01-201-7010PO-5600 INTERCHANGEABLE
Test Strips,ophthalmic,rose Beng
Amcon Laboratories, Inc.
Cross-Reference Index
Part NumberManufacturer
4047 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
Related Parts
2815-00-231-5714INTERCHANGEABLE
RING SET,PISTON
4330-00-274-6350INTERCHANGEABLE
FILTER,FLUID
B-3A1-4B
5315-00-349-9438INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
4047
5945-00-628-6484INTERCHANGEABLE
RELAY,HYBRID
8151703-0002
5950-00-791-0924INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5999-00-866-6211INTERCHANGEABLE
HEATER,THERMAL RELEASE
966499
4310-00-900-1630INTERCHANGEABLE
PISTON,COMPRESSOR
4047
5975-01-071-6897INTERCHANGEABLE
TEST PLUG
4920-01-080-5899INTERCHANGEABLE
CONVERTER,MODULE
DSC-5012-SR-2024
6505-01-201-7010INTERCHANGEABLE
TEST STRIPS,OPHTHALMIC,ROSE BENG
PO-5600
5331-01-299-7322INTERCHANGEABLE
O-RING
79279-006

Frequently Asked Questions

What is NSN 5305-00-781-9059?

NSN 5305-00-781-9059 is a Thumbscrew, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-781-9059?

NSN 5305-00-781-9059 has 1 cross-referenced part number: 4047 (Roller Bearing Co of America, Inc Div Pic Design).

What NSN replaces 5305-00-781-9059?

There are 11 known substitutes for 5305-00-781-9059: 2815-00-231-5714, 4330-00-274-6350, 5315-00-349-9438 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4047?

Key specifications for 4047: Thread Length: 1.000 INCHES MINIMUM IN; Fastener Length: 1.250 INCHES NOMINAL IN; Thread Series Designator: UNF; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. 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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