PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

491-16Tuning Tool

Lockheed Martin Corp · NSN 5120-00-169-0219 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-169-0219 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-169-0219. Primary manufacturer part number: 491-16.
Features
  • Tuning Tool — FSC 5120
  • 1 verified cross-reference
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Tuning Tool, cataloged under National Stock Number 5120-00-169-0219, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Lockheed Martin Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTuning Tool
FSC / FSG5120 — No Item Name Available (FSG 51)
ManufacturersLockheed Martin Corp (CAGE 94271)
Technical Specifications
ParameterValue
NSN5120-00-169-0219
Primary Part Number491-16
Item NameTuning Tool
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5935-00-234-2092 INTERCHANGEABLE
Jack,telephone
5130-00-275-12065130-00-275-1206 INTERCHANGEABLE
Blade,reciprocating Saw
General Services Administration Federal Supply Service
4820-01-488-7943 INTERCHANGEABLE
Valve Assembly,manifold
5120-01-595-8882 INTERCHANGEABLE
Punch,drive Pin
4730-01-602-932049116 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Tld Wollard Llc
Cross-Reference Index
Part NumberManufacturer
491-16 PRIMARY Lockheed Martin Corp (USA)
Related Parts
5935-00-234-2092INTERCHANGEABLE
JACK,TELEPHONE
5130-00-275-1206INTERCHANGEABLE
BLADE,RECIPROCATING SAW
5130-00-275-1206
4820-01-488-7943INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
5120-01-595-8882INTERCHANGEABLE
PUNCH,DRIVE PIN
4730-01-602-9320INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
49116

Frequently Asked Questions

What is NSN 5120-00-169-0219?

NSN 5120-00-169-0219 is a Tuning Tool, manufactured by Lockheed Martin Corp, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-169-0219?

NSN 5120-00-169-0219 has 1 cross-referenced part number: 491-16 (Lockheed Martin Corp).

What NSN replaces 5120-00-169-0219?

There are 5 known substitutes for 5120-00-169-0219: 5935-00-234-2092, 5130-00-275-1206, 4820-01-488-7943 and 2 more. Verify interchangeability with system specifications before substitution.

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