PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3688-6Gage,plug,thread

Stanley Engineered Fastening Llc · NSN 5220-00-125-9756 · FSC 5220 · No Item Name Available
Verified by PartsTable
NSN 5220-00-125-9756 — this item is cataloged by the U.S. Government under National Stock Number 5220-00-125-9756. Primary manufacturer part number: 3688-6.
Features
  • Gage,plug,thread — FSC 5220
  • 1 verified cross-reference
  • Primary manufacturer: Stanley Engineered Fastening Llc
Applications
  • Quality assurance and inspection
  • Precision measurement and calibration
  • Laboratory and test equipment
General Description

The Gage,plug,thread, cataloged under National Stock Number 5220-00-125-9756, 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. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGage,plug,thread
FSC / FSG5220 — No Item Name Available (FSG 52)
ManufacturersStanley Engineered Fastening Llc (CAGE 01556)
Technical Specifications
ParameterValue
NSN5220-00-125-9756
Primary Part Number3688-6
Item NameGage,plug,thread
FSC / FSG5220 / 52 — No Item Name Available
ManufacturerStanley Engineered Fastening Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4720-00-706-4468 INTERCHANGEABLE
Hose Assembly,nonmetallic
5940-01-446-80848-36886-2 INTERCHANGEABLE
Splice,conductor
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
3688-6 PRIMARY Stanley Engineered Fastening Llc (USA)
Related Parts
4720-00-706-4468INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5940-01-446-8084INTERCHANGEABLE
SPLICE,CONDUCTOR
8-36886-2

Frequently Asked Questions

What is NSN 5220-00-125-9756?

NSN 5220-00-125-9756 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 5220-00-125-9756?

NSN 5220-00-125-9756 has 1 cross-referenced part number: 3688-6 (Stanley Engineered Fastening Llc).

What NSN replaces 5220-00-125-9756?

There are 2 known substitutes for 5220-00-125-9756: 4720-00-706-4468, 5940-01-446-8084. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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