PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B18.3Key Set,socket Head Screw

The American Society of Mechanical Engineers · NSN 5120-00-419-5698 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-419-5698 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-419-5698. Primary manufacturer part number: B18.3.
Features
  • Key Set,socket Head Screw — FSC 5120
  • Container Type: CASE OR ROLL
  • Handle Type: L-STYLE
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Features Provided: LONG SERIES
  • Key Characteristic: CONTAINS HEX KEYS SIZE 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32 AND 1/4 IN. IN
  • Key Quantity: 9
  • 2 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Key Set,socket Head Screw, cataloged under National Stock Number 5120-00-419-5698, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-419-5698
Primary Part NumberB18.3
Item NameKey Set,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusACTIVE
Container TypeCASE OR ROLL
Handle TypeL-STYLE
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Features ProvidedLONG SERIES
Key CharacteristicCONTAINS HEX KEYS SIZE 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32 AND 1/4 IN. IN
Key Quantity9
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4730-00-335-2578249IFHD-4-2 INTERCHANGEABLE
Elbow,pipe to Tube
Parker-Hannifin Corp Div Fluid System Connector Division
6625-00-422-3126537702-17 INTERCHANGEABLE
Detecting Element,directional Co
Raytheon Company Dba Raytheon
2915-00-605-272143020 INTERCHANGEABLE
Cover,relief Valve
Triumph Engine Control Systems Llc
5950-00-829-3296677-0309-010 INTERCHANGEABLE
Transformer,audio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6615-00-937-972043020 INTERCHANGEABLE
Gyroscope,displacement
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5930-01-274-10264302000 INTERCHANGEABLE
Switch,thermostatic
Phoenix Products Llc Dba Phoenix Lighting Products Llc
9150-01-490-4564 INTERCHANGEABLE
Cutting Fluid
4730-01-625-505743020 INTERCHANGEABLE
Clamp,hose
Epicor Industries Inc Ideal Div
6130-01-664-2758 INTERCHANGEABLE
Charger,battery
5975-01-671-332097361353 INTERCHANGEABLE
Rail,guide
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
B18.3 The American Society of Mechanical Engineers (USA)
43020 Lisle Corp (USA)
Related Parts
4730-00-335-2578INTERCHANGEABLE
ELBOW,PIPE TO TUBE
249IFHD-4-2
6625-00-422-3126INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
537702-17
2915-00-605-2721INTERCHANGEABLE
COVER,RELIEF VALVE
43020
5950-00-829-3296INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
677-0309-010
6615-00-937-9720INTERCHANGEABLE
GYROSCOPE,DISPLACEMENT
43020
5930-01-274-1026INTERCHANGEABLE
SWITCH,THERMOSTATIC
4302000
9150-01-490-4564INTERCHANGEABLE
CUTTING FLUID
4730-01-625-5057INTERCHANGEABLE
CLAMP,HOSE
43020
6130-01-664-2758INTERCHANGEABLE
CHARGER,BATTERY
5975-01-671-3320INTERCHANGEABLE
RAIL,GUIDE
97361353

Frequently Asked Questions

What is NSN 5120-00-419-5698?

NSN 5120-00-419-5698 is a Key Set,socket Head Screw, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-419-5698?

NSN 5120-00-419-5698 has 2 cross-referenced part numbers: B18.3 (The American Society of Mechanical Engineers), 43020 (Lisle Corp).

What NSN replaces 5120-00-419-5698?

There are 10 known substitutes for 5120-00-419-5698: 4730-00-335-2578, 6625-00-422-3126, 2915-00-605-2721 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B18.3?

Key specifications for B18.3: Container Type: CASE OR ROLL; Handle Type: L-STYLE; Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Features Provided: LONG SERIES. 6 total characteristics are documented in the Federal Logistics Information System.

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