PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1688-8Gage,plug,thread

Stanley Engineered Fastening Llc · NSN 5220-00-973-1198 · FSC 5220 · No Item Name Available
Verified by PartsTable
NSN 5220-00-973-1198 — this item is cataloged by the U.S. Government under National Stock Number 5220-00-973-1198. Primary manufacturer part number: 1688-8.
Features
  • Gage,plug,thread — FSC 5220
  • Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Screw Thread Quantity Per Inch: 13.0
  • Thread Direction: RIGHT-HAND
  • Thread Major Diameter Truncation Feature: NOT INCLUDED
  • Thread Design Pitch Diameter: 0.5499 INCHES MINIMUM AND 0.5537 INCHES MAXIMUM IN
  • Tapered Threads: NOT INCLUDED
  • Thread Stamped Pitch Diameter: 0.5499 INCHES MINIMUM AND 0.5537 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 5220-00-973-1198, 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 11 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5220-00-973-1198
Primary Part Number1688-8
Item NameGage,plug,thread
FSC / FSG5220 / 52 — No Item Name Available
ManufacturerStanley Engineered Fastening Llc
StatusACTIVE
Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Screw Thread Quantity Per Inch13.0
Thread DirectionRIGHT-HAND
Thread Major Diameter Truncation FeatureNOT INCLUDED
Thread Design Pitch Diameter0.5499 INCHES MINIMUM AND 0.5537 INCHES MAXIMUM IN
Tapered ThreadsNOT INCLUDED
Thread Stamped Pitch Diameter0.5499 INCHES MINIMUM AND 0.5537 INCHES MAXIMUM IN
Features ProvidedGO GAGE
Thread TypeSINGLE
Design TypeDOUBLE END
Nominal Thread Diameter0.5000 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-172-00280915274-5 INTERCHANGEABLE
Fitting,lubrication
Kalmar AC Inc
4730-00-329-192139010007 INTERCHANGEABLE
Clamp,hose
Complete Abrasive Blasting Systems Inc
3110-00-554-6030 INTERCHANGEABLE
Bearing,ball,annular
5940-00-926-0087021-2015-209 INTERCHANGEABLE
Terminal,feedthru
Itt Cannon Rf Products
5895-01-003-2687 INTERCHANGEABLE
Sensor Monitoring Central
6520-01-594-946116888 INTERCHANGEABLE
Impression Material,dental
Parkell, Inc. Dba Parkell Inc
Cross-Reference Index
Part NumberManufacturer
1688-8 PRIMARY Stanley Engineered Fastening Llc (USA)
Related Parts
4730-00-172-0028INTERCHANGEABLE
FITTING,LUBRICATION
0915274-5
4730-00-329-1921INTERCHANGEABLE
CLAMP,HOSE
39010007
3110-00-554-6030INTERCHANGEABLE
BEARING,BALL,ANNULAR
5940-00-926-0087INTERCHANGEABLE
TERMINAL,FEEDTHRU
021-2015-209
5895-01-003-2687INTERCHANGEABLE
SENSOR MONITORING CENTRAL
6520-01-594-9461INTERCHANGEABLE
IMPRESSION MATERIAL,DENTAL
16888

Frequently Asked Questions

What is NSN 5220-00-973-1198?

NSN 5220-00-973-1198 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 5220-00-973-1198?

NSN 5220-00-973-1198 has 1 cross-referenced part number: 1688-8 (Stanley Engineered Fastening Llc).

What NSN replaces 5220-00-973-1198?

There are 6 known substitutes for 5220-00-973-1198: 4730-00-172-0028, 4730-00-329-1921, 3110-00-554-6030 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1688-8?

Key specifications for 1688-8: Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Screw Thread Quantity Per Inch: 13.0; Thread Direction: RIGHT-HAND; Thread Major Diameter Truncation Feature: NOT INCLUDED. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com