PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4041Thumbscrew

Roller Bearing Co of America, Inc Div Pic Design · NSN 5305-00-065-3194 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-065-3194 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-065-3194. Primary manufacturer part number: 4041.
Features
  • Thumbscrew — FSC 5305
  • Fastener Length: 0.750 INCHES NOMINAL IN
  • Head Style: KNURLED NO. 1
  • Head Diameter: 0.500 INCHES NOMINAL IN
  • Thread Length: 0.625 INCHES MINIMUM IN
  • Thread Series Designator: UNF
  • Thread Direction: RIGHT-HAND
  • Point Style: FLAT
Applications
  • Applications requiring Steel Comp 303 or Steel Comp 303SE Overall construction
General Description

The Thumbscrew, cataloged under National Stock Number 5305-00-065-3194, 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 2 manufacturers, 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
NSN5305-00-065-3194
Primary Part Number4041
Item NameThumbscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
Fastener Length0.750 INCHES NOMINAL IN
Head StyleKNURLED NO. 1
Head Diameter0.500 INCHES NOMINAL IN
Thread Length0.625 INCHES MINIMUM IN
Thread Series DesignatorUNF
Thread DirectionRIGHT-HAND
Point StyleFLAT
Thread Quantity Per Inch32
Thread Class2A A
MaterialSTEEL COMP 303 OR STEEL COMP 303SE OVERALL
Nominal Thread Diameter0.190 INCHES IN
Material Document and ClassificationMIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Head Height0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-081-2477242016P1 INTERCHANGEABLE
Reactor
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5995-00-117-4290114438-3 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Bae Systems Information and Electronic Systems Integration Inc.
5306-00-195-473151658 INTERCHANGEABLE
Bolt,toggle
Fastenal Company
5120-00-221-2728305-6 INTERCHANGEABLE
Marlinespike
Leetonia Tool Co the
6645-00-225-27374041 INTERCHANGEABLE
Wheel,escape
Wakmann Watch Company Inc
5915-00-403-7621404-1 INTERCHANGEABLE
Network,hybrid Circuit
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
6605-00-413-72404041 INTERCHANGEABLE
Extractor
Lockheed Martin Corporation Div Rms - Mitchel Field
4730-00-542-5100 INTERCHANGEABLE
Coupling,pipe
5975-00-563-59724041 INTERCHANGEABLE
Mount,receiver
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
6680-00-663-7932 INTERCHANGEABLE
Indicator,sight,liquid
Cross-Reference Index
Part NumberManufacturer
4041 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
PQ-32-3 W. M. Berg, Inc. (USA)
Related Parts
5950-00-081-2477INTERCHANGEABLE
REACTOR
242016P1
5995-00-117-4290INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
114438-3
5306-00-195-4731INTERCHANGEABLE
BOLT,TOGGLE
51658
5120-00-221-2728INTERCHANGEABLE
MARLINESPIKE
305-6
6645-00-225-2737INTERCHANGEABLE
WHEEL,ESCAPE
4041
5915-00-403-7621INTERCHANGEABLE
NETWORK,HYBRID CIRCUIT
404-1
6605-00-413-7240INTERCHANGEABLE
EXTRACTOR
4041
4730-00-542-5100INTERCHANGEABLE
COUPLING,PIPE
5975-00-563-5972INTERCHANGEABLE
MOUNT,RECEIVER
4041
6680-00-663-7932INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
5940-00-675-8124INTERCHANGEABLE
TERMINAL,LUG
304-0196-000
4130-00-815-5563INTERCHANGEABLE
MANIFOLD,CHARGING AND TESTING,RE

Frequently Asked Questions

What is NSN 5305-00-065-3194?

NSN 5305-00-065-3194 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 5305-00-065-3194?

NSN 5305-00-065-3194 has 2 cross-referenced part numbers: 4041 (Roller Bearing Co of America, Inc Div Pic Design), PQ-32-3 (W. M. Berg, Inc.).

What NSN replaces 5305-00-065-3194?

There are 12 known substitutes for 5305-00-065-3194: 5950-00-081-2477, 5995-00-117-4290, 5306-00-195-4731 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4041?

Key specifications for 4041: Fastener Length: 0.750 INCHES NOMINAL IN; Head Style: KNURLED NO. 1; Head Diameter: 0.500 INCHES NOMINAL IN; Thread Length: 0.625 INCHES MINIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-065-3194 still in active supply?

NSN 5305-00-065-3194 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.
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