PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J2373Mirror,inspection

The Stanley Works Dba Stanley Proto · NSN 5120-01-399-9301 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-399-9301 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-399-9301. Primary manufacturer part number: J2373.
Features
  • Mirror,inspection — FSC 5120
  • Mirror Shape: RECTANGULAR
  • Mirror Width: 2.125 INCHES NOMINAL IN
  • Retracted Length: 11.250 INCHES NOMINAL IN
  • Unit Type: TELESCOPING
  • Mirror Length: 3.500 INCHES NOMINAL IN
  • Features Provided: COMFORT GRIP HANDLE AND 360 DEGREE SWIVEL HEAD
  • Extended Length: 15.500 INCHES IN
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Mirror,inspection, cataloged under National Stock Number 5120-01-399-9301, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The Stanley Works Dba Stanley Proto. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-399-9301
Primary Part NumberJ2373
Item NameMirror,inspection
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusCANCELLED
Mirror ShapeRECTANGULAR
Mirror Width2.125 INCHES NOMINAL IN
Retracted Length11.250 INCHES NOMINAL IN
Unit TypeTELESCOPING
Mirror Length3.500 INCHES NOMINAL IN
Features ProvidedCOMFORT GRIP HANDLE AND 360 DEGREE SWIVEL HEAD
Extended Length15.500 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2910-00-139-49722373-1 INTERCHANGEABLE
Nozzle,air,directional
Aerospace Lighting Corporation
2940-00-372-3553235116 INTERCHANGEABLE
Filter Element,intake Air Cleane
Kohler Co Engine Plant Div
5950-00-578-86261141644 INTERCHANGEABLE
Coil,radio Frequency
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5826-00-646-8543 INTERCHANGEABLE
Shock Mount Assembl
5330-00-790-24962373 INTERCHANGEABLE
Gasket
Velan Valve Corp.
1650-00-885-2094 INTERCHANGEABLE
Filter,fluid
5950-00-909-26982373 INTERCHANGEABLE
Transformer,power
Standard Industries
5342-00-914-88942373 INTERCHANGEABLE
Lock Assembly,compa
Adams Rite Aerospace, Inc
5340-01-222-0016237-3 INTERCHANGEABLE
Clamp,loop
The Metal Marker Manufacturing Company
5340-01-243-4496NAS1831B4B12 INTERCHANGEABLE
Standoff,threaded,spacing
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
2373 The Stanley Works Dba Stanley Proto (USA)
J2373 Henchman Products Pty Ltd (AUS)
J2373 PRIMARY The Stanley Works Dba Stanley Proto (USA)
STP 2373 Kipper Tool Company Dba Kipper Management Inc (USA)
3R562 W.w. Grainger, Inc. Div Government Sales Division (USA)
Related Parts
2910-00-139-4972INTERCHANGEABLE
NOZZLE,AIR,DIRECTIONAL
2373-1
2940-00-372-3553INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
235116
5950-00-578-8626INTERCHANGEABLE
COIL,RADIO FREQUENCY
1141644
5826-00-646-8543INTERCHANGEABLE
SHOCK MOUNT ASSEMBL
5330-00-790-2496INTERCHANGEABLE
GASKET
2373
1650-00-885-2094INTERCHANGEABLE
FILTER,FLUID
5950-00-909-2698INTERCHANGEABLE
TRANSFORMER,POWER
2373
5342-00-914-8894INTERCHANGEABLE
LOCK ASSEMBLY,COMPA
2373
5340-01-222-0016INTERCHANGEABLE
CLAMP,LOOP
237-3
5340-01-243-4496INTERCHANGEABLE
STANDOFF,THREADED,SPACING
NAS1831B4B12
5340-01-559-5516INTERCHANGEABLE
SNAP HOOK
2373
5120-01-731-2670INTERCHANGEABLE
FISHING TOOL,ELECTRICAL LEAD
CHITA0008-100

Frequently Asked Questions

What is NSN 5120-01-399-9301?

NSN 5120-01-399-9301 is a Mirror,inspection, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-399-9301?

NSN 5120-01-399-9301 has 5 cross-referenced part numbers: 2373 (The Stanley Works Dba Stanley Proto), J2373 (Henchman Products Pty Ltd), J2373 (The Stanley Works Dba Stanley Proto), STP 2373 (Kipper Tool Company Dba Kipper Management Inc), 3R562 (W.w. Grainger, Inc. Div Government Sales Division).

What NSN replaces 5120-01-399-9301?

There are 12 known substitutes for 5120-01-399-9301: 2910-00-139-4972, 2940-00-372-3553, 5950-00-578-8626 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J2373?

Key specifications for J2373: Mirror Shape: RECTANGULAR; Mirror Width: 2.125 INCHES NOMINAL IN; Retracted Length: 11.250 INCHES NOMINAL IN; Unit Type: TELESCOPING. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-399-9301 still in active supply?

NSN 5120-01-399-9301 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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