PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1441-6Gage,plug,thread

Stanley Engineered Fastening Llc · NSN 5220-00-566-4054 · FSC 5220 · No Item Name Available
Verified by PartsTable
NSN 5220-00-566-4054 — this item is cataloged by the U.S. Government under National Stock Number 5220-00-566-4054. Primary manufacturer part number: 1441-6.
Features
  • Gage,plug,thread — FSC 5220
  • Screw Thread Quantity Per Inch: 24.0
  • Thread Type: SINGLE
  • Screw Thread Series Designator: UNF
  • Nominal Thread Diameter: 0.3750 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Design Type: DOUBLE END
  • Thread Stamped Pitch Diameter: 0.4020 INCHES MINIMUM AND 0.4059 INCHES MAXIMUM IN
Applications
  • Quality assurance and inspection
  • Precision measurement and calibration
  • Laboratory and test equipment
General Description

The Gage,plug,thread, cataloged under National Stock Number 5220-00-566-4054, is classified within Federal Supply Class 5220 (No Item Name Available) of the Measuring Tools group. The primary manufacturer of record is Stanley Engineered Fastening Llc. 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5220-00-566-4054
Primary Part Number1441-6
Item NameGage,plug,thread
FSC / FSG5220 / 52 — No Item Name Available
ManufacturerStanley Engineered Fastening Llc
StatusACTIVE
Screw Thread Quantity Per Inch24.0
Thread TypeSINGLE
Screw Thread Series DesignatorUNF
Nominal Thread Diameter0.3750 INCHES IN
Thread DirectionRIGHT-HAND
Design TypeDOUBLE END
Thread Stamped Pitch Diameter0.4020 INCHES MINIMUM AND 0.4059 INCHES MAXIMUM IN
Features ProvidedCOMBINATION GO NOT GO GAGE
Tapered ThreadsNOT INCLUDED
Thread Major Diameter Truncation FeatureNOT INCLUDED
Pitch Diameter Tolerance-0.00010 TO 0.00010 INCHES AND -0.00030 TO 0.00000 INCHES IN
Thread Design Pitch Diameter0.4020 INCHES MINIMUM AND 0.4059 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6685-00-179-4960A24316 INTERCHANGEABLE
Thermometer,indicating,capillary
Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div
5365-00-386-3531T50610 INTERCHANGEABLE
Spacer,plate
The Timken Corporation
5965-00-564-107914416 INTERCHANGEABLE
Cushion,ear
Roanwell, Llc
5310-00-641-993214416 INTERCHANGEABLE
Washer,flat
Brinkley Technology Group Llc Dba Hercules Manufacturing
5935-00-856-65203329652-8REVB INTERCHANGEABLE
Connector,receptacle,electrical
Meggitt (new Hampshire), Inc
4820-01-155-578815104730 INTERCHANGEABLE
Plate,valve
Warren Controls, Inc.
5330-01-265-8988 INTERCHANGEABLE
Packing,preformed
6515-01-384-585814-416 INTERCHANGEABLE
Balloon Dilation Catheter,cardio
Boston Scientific Corp Medi-Tech Div
6515-01-579-3490139104EXT INTERCHANGEABLE
Blade,electrode,electrosurgical
Conmed Corp Dba Conmed Linvatec Div Conmed Corporation
Cross-Reference Index
Part NumberManufacturer
1441-6 PRIMARY Stanley Engineered Fastening Llc (USA)
Related Parts
6685-00-179-4960INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
A24316
5365-00-386-3531INTERCHANGEABLE
SPACER,PLATE
T50610
5965-00-564-1079INTERCHANGEABLE
CUSHION,EAR
14416
5310-00-641-9932INTERCHANGEABLE
WASHER,FLAT
14416
5935-00-856-6520INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3329652-8REVB
4820-01-155-5788INTERCHANGEABLE
PLATE,VALVE
15104730
5330-01-265-8988INTERCHANGEABLE
PACKING,PREFORMED
6515-01-384-5858INTERCHANGEABLE
BALLOON DILATION CATHETER,CARDIO
14-416
6515-01-579-3490INTERCHANGEABLE
BLADE,ELECTRODE,ELECTROSURGICAL
139104EXT

Frequently Asked Questions

What is NSN 5220-00-566-4054?

NSN 5220-00-566-4054 is a Gage,plug,thread, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5220 (No Item Name Available). Status: active.

What are the part numbers for NSN 5220-00-566-4054?

NSN 5220-00-566-4054 has 1 cross-referenced part number: 1441-6 (Stanley Engineered Fastening Llc).

What NSN replaces 5220-00-566-4054?

There are 9 known substitutes for 5220-00-566-4054: 6685-00-179-4960, 5365-00-386-3531, 5965-00-564-1079 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1441-6?

Key specifications for 1441-6: Screw Thread Quantity Per Inch: 24.0; Thread Type: SINGLE; Screw Thread Series Designator: UNF; Nominal Thread Diameter: 0.3750 INCHES 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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