PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4054Thumbscrew

Roller Bearing Co of America, Inc Div Pic Design · NSN 5305-00-956-6756 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-956-6756 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-956-6756. Primary manufacturer part number: 4054.
Features
  • Thumbscrew — FSC 5305
  • Head Diameter: 1.000 INCHES NOMINAL IN
  • Thread Length: 0.625 INCHES MINIMUM IN
  • Head Height: 0.188 INCHES NOMINAL IN
  • Fastener Length: 0.938 INCHES NOMINAL IN
  • Head Style: KNURLED NO. 1
  • Thread Class: 3A A
  • Point Style: FLAT
Applications
  • Applications requiring Steel Overall construction
General Description

The Thumbscrew, cataloged under National Stock Number 5305-00-956-6756, 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 12 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
NSN5305-00-956-6756
Primary Part Number4054
Item NameThumbscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
Head Diameter1.000 INCHES NOMINAL IN
Thread Length0.625 INCHES MINIMUM IN
Head Height0.188 INCHES NOMINAL IN
Fastener Length0.938 INCHES NOMINAL IN
Head StyleKNURLED NO. 1
Thread Class3A A
Point StyleFLAT
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.250 INCHES IN
MaterialSTEEL OVERALL
Thread Quantity Per Inch20
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6645-00-225-26994054 INTERCHANGEABLE
Regulator
Wakmann Watch Company Inc
5999-00-468-32414049 INTERCHANGEABLE
Contact,electrical
Dynalec Corporation
6210-00-782-17384054 INTERCHANGEABLE
Lens,light
L3harris Technologies, Inc. Div Space and Airborne Systems
3960-00-883-58484054 INTERCHANGEABLE
Elevator,portable
Grand Specialties Co
6515-01-050-54514004 INTERCHANGEABLE
Catheter and Needle Unit,intrave
Critikon Inc Sub of Johnson and Johnson
7010-01-124-49094054A INTERCHANGEABLE
Computer System,digital
Tektronix, Inc.
5935-01-141-27534054 INTERCHANGEABLE
Adapter,connector
Fluke Electronics Corp
5365-01-205-4551 INTERCHANGEABLE
Spacer,sleeve
6530-01-221-9067 INTERCHANGEABLE
Wrapper,sterilization
6220-01-225-78304042 INTERCHANGEABLE
Lamp Unit,vehicular
Federal-Mogul Corp Government Sales Dept
Cross-Reference Index
Part NumberManufacturer
4054 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
Related Parts
6645-00-225-2699INTERCHANGEABLE
REGULATOR
4054
5999-00-468-3241INTERCHANGEABLE
CONTACT,ELECTRICAL
4049
6210-00-782-1738INTERCHANGEABLE
LENS,LIGHT
4054
3960-00-883-5848INTERCHANGEABLE
ELEVATOR,PORTABLE
4054
6515-01-050-5451INTERCHANGEABLE
CATHETER AND NEEDLE UNIT,INTRAVE
4004
7010-01-124-4909INTERCHANGEABLE
COMPUTER SYSTEM,DIGITAL
4054A
5935-01-141-2753INTERCHANGEABLE
ADAPTER,CONNECTOR
4054
5365-01-205-4551INTERCHANGEABLE
SPACER,SLEEVE
6530-01-221-9067INTERCHANGEABLE
WRAPPER,STERILIZATION
6220-01-225-7830INTERCHANGEABLE
LAMP UNIT,VEHICULAR
4042
6530-01-231-7291INTERCHANGEABLE
WRAPPER,STERILIZATION
3130-01-297-8220INTERCHANGEABLE
BEARING UNIT,BALL

Frequently Asked Questions

What is NSN 5305-00-956-6756?

NSN 5305-00-956-6756 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 5305-00-956-6756?

NSN 5305-00-956-6756 has 1 cross-referenced part number: 4054 (Roller Bearing Co of America, Inc Div Pic Design).

What NSN replaces 5305-00-956-6756?

There are 12 known substitutes for 5305-00-956-6756: 6645-00-225-2699, 5999-00-468-3241, 6210-00-782-1738 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4054?

Key specifications for 4054: Head Diameter: 1.000 INCHES NOMINAL IN; Thread Length: 0.625 INCHES MINIMUM IN; Head Height: 0.188 INCHES NOMINAL IN; Fastener Length: 0.938 INCHES NOMINAL IN. 12 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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