PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T11Testmaster

Mahr Inc · NSN 6685-01-009-2890 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-009-2890 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-009-2890. Primary manufacturer part number: T11.
Features
  • Testmaster — FSC 6685
  • 1 verified cross-reference
  • Primary manufacturer: Mahr Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Testmaster, cataloged under National Stock Number 6685-01-009-2890, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Mahr Inc. 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.

Catalog Facts
Item NameTestmaster
FSC / FSG6685 — No Item Name Available (FSG 66)
ManufacturersMahr Inc (CAGE 21938)
Technical Specifications
ParameterValue
NSN6685-01-009-2890
Primary Part NumberT11
Item NameTestmaster
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerMahr Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-190-6800 INTERCHANGEABLE
Strap,retaining
2910-00-287-316833043 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
3120-00-392-3048T11 INTERCHANGEABLE
Bearing,sleeve
Caterpillar Inc Div Caterpillar Defense
5975-00-497-2129250 INTERCHANGEABLE
Conduit Outlet
Hubbell-Raco Inc
3010-00-540-7458T1-1 INTERCHANGEABLE
Coupling,shaft,flexible
Roller Bearing Co of America, Inc Div Pic Design
3110-00-554-6152 INTERCHANGEABLE
Bearing,ball,annular
6720-00-663-2441691A1-1 INTERCHANGEABLE
Camera,still Picture
Bae Systems Information and Electronic Systems Integration Inc.
5950-00-884-6423 INTERCHANGEABLE
Transformer,audio Frequency
5945-00-982-6621G59453 INTERCHANGEABLE
Relay,electromagnetic
Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co
5950-01-128-3745T1-1 INTERCHANGEABLE
Transformer,radio Frequency
Scientific Components Corp Dba Mini-Circuits
Cross-Reference Index
Part NumberManufacturer
T11 PRIMARY Mahr Inc (USA)
Related Parts
5340-00-190-6800INTERCHANGEABLE
STRAP,RETAINING
2910-00-287-3168INTERCHANGEABLE
FILTER ELEMENT,FLUID
33043
3120-00-392-3048INTERCHANGEABLE
BEARING,SLEEVE
T11
5975-00-497-2129INTERCHANGEABLE
CONDUIT OUTLET
250
3010-00-540-7458INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
T1-1
3110-00-554-6152INTERCHANGEABLE
BEARING,BALL,ANNULAR
6720-00-663-2441INTERCHANGEABLE
CAMERA,STILL PICTURE
691A1-1
5950-00-884-6423INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5945-00-982-6621INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
G59453
5950-01-128-3745INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
T1-1
5120-01-264-2386INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5330-01-291-3717INTERCHANGEABLE
GASKET SET
T-11

Frequently Asked Questions

What is NSN 6685-01-009-2890?

NSN 6685-01-009-2890 is a Testmaster, manufactured by Mahr Inc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-009-2890?

NSN 6685-01-009-2890 has 1 cross-referenced part number: T11 (Mahr Inc).

What NSN replaces 6685-01-009-2890?

There are 12 known substitutes for 6685-01-009-2890: 5340-00-190-6800, 2910-00-287-3168, 3120-00-392-3048 and 9 more. Verify interchangeability with system specifications before substitution.

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