PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4053UThumbscrew

Roller Bearing Co of America, Inc Div Pic Design · NSN 5305-00-958-5969 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-958-5969 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-958-5969. Primary manufacturer part number: 4053U.
Features
  • Thumbscrew — FSC 5305
  • Surface Treatment: PASSIVATE OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material Document and Classification: MIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES OVERALL
  • Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 316 OVERALL
  • Thread Length: 1.625 INCHES MINIMUM IN
  • Head Style: KNURLED NO. 1
  • Nominal Thread Diameter: 0.250 INCHES IN
Applications
  • Applications requiring Steel Comp 302 or Steel Comp 303 or Steel Comp 303SE or Steel Comp 316 Overall construction
General Description

The Thumbscrew, cataloged under National Stock Number 5305-00-958-5969, 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: Active.

Technical Specifications
ParameterValue
NSN5305-00-958-5969
Primary Part Number4053U
Item NameThumbscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
Surface TreatmentPASSIVATE OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Material Document and ClassificationMIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES OVERALL
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 316 OVERALL
Thread Length1.625 INCHES MINIMUM IN
Head StyleKNURLED NO. 1
Nominal Thread Diameter0.250 INCHES IN
Head Height0.188 INCHES NOMINAL IN
Point StyleFLAT
Thread Class2A A
Fastener Length2.000 INCHES NOMINAL IN
Thread Quantity Per Inch20
Head Diameter0.750 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-196-6695 INTERCHANGEABLE
Gasket
6680-00-226-969680374-1 INTERCHANGEABLE
Indicator,sight,liquid
L3harris Technologies, Inc. Div Space and Airborne Systems
5365-00-515-35134053 INTERCHANGEABLE
Spacer,ring
Johns Manville Intl
4730-00-771-5313B405-3 INTERCHANGEABLE
Insert,tube Fitting
Swagelok Co
6210-00-782-1739 INTERCHANGEABLE
Lens,light
6645-00-963-59064053 INTERCHANGEABLE
Jewel Assembly,uppe
Wakmann Watch Company Inc
5935-00-988-423733-7143-4 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
6515-01-228-60244053 INTERCHANGEABLE
Syringe,hypodermic
Smiths Medical Asd Inc Dba Smiths Medical Asd, Inc
6515-01-276-14171112843 INTERCHANGEABLE
Mask,oronasal
Mckesson Medical-Surgical Inc. Dba Mckesson Medical-Surgical Inc
3130-01-297-8219 INTERCHANGEABLE
Bearing Unit,ball
Cross-Reference Index
Part NumberManufacturer
4053U PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
4053 Roller Bearing Co of America, Inc Div Pic Design (USA)
Related Parts
5330-00-196-6695INTERCHANGEABLE
GASKET
6680-00-226-9696INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
80374-1
5365-00-515-3513INTERCHANGEABLE
SPACER,RING
4053
4730-00-771-5313INTERCHANGEABLE
INSERT,TUBE FITTING
B405-3
6210-00-782-1739INTERCHANGEABLE
LENS,LIGHT
6645-00-963-5906INTERCHANGEABLE
JEWEL ASSEMBLY,UPPE
4053
5935-00-988-4237INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
33-7143-4
6515-01-228-6024INTERCHANGEABLE
SYRINGE,HYPODERMIC
4053
6515-01-276-1417INTERCHANGEABLE
MASK,ORONASAL
1112843
3130-01-297-8219INTERCHANGEABLE
BEARING UNIT,BALL
3110-01-364-7527INTERCHANGEABLE
COLLAR,BEARING
405-3
5340-01-395-9621INTERCHANGEABLE
STANDOFF,THREADED,SPACING
4053

Frequently Asked Questions

What is NSN 5305-00-958-5969?

NSN 5305-00-958-5969 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 5305-00-958-5969?

NSN 5305-00-958-5969 has 2 cross-referenced part numbers: 4053U (Roller Bearing Co of America, Inc Div Pic Design), 4053 (Roller Bearing Co of America, Inc Div Pic Design).

What NSN replaces 5305-00-958-5969?

There are 12 known substitutes for 5305-00-958-5969: 5330-00-196-6695, 6680-00-226-9696, 5365-00-515-3513 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4053U?

Key specifications for 4053U: Surface Treatment: PASSIVATE OVERALL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: MIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES OVERALL; Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 316 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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