PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

602C4Tool,installation

Howmet Global Fastening Systems Inc Div Rosan Products · NSN 5120-01-422-1876 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-422-1876 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-422-1876. Primary manufacturer part number: 602C4.
Features
  • Tool,installation — FSC 5120
  • Surface Treatment: CADMIUM
  • Material: STEEL
  • General Characteristics Item Description: THRU BOLT COUNTERSINK TYPE FASTENERS;INSIDE DIAMETER 0.252 INCHES;OUTSIDE DIAMETER 0.687 INCHES;HEAT TREATED TO 200,000 OSU IN
  • 2 verified cross-references
  • Primary manufacturer: Howmet Global Fastening Systems Inc Div Rosan Products
Applications
  • Applications requiring Steel construction
General Description

The Tool,installation, cataloged under National Stock Number 5120-01-422-1876, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Howmet Global Fastening Systems Inc Div Rosan Products. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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.

Technical Specifications
ParameterValue
NSN5120-01-422-1876
Primary Part Number602C4
Item NameTool,installation
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerHowmet Global Fastening Systems Inc Div Rosan Products
StatusACTIVE
Surface TreatmentCADMIUM
MaterialSTEEL
General Characteristics Item DescriptionTHRU BOLT COUNTERSINK TYPE FASTENERS;INSIDE DIAMETER 0.252 INCHES;OUTSIDE DIAMETER 0.687 INCHES;HEAT TREATED TO 200,000 OSU IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-187-19811001081N001-000 INTERCHANGEABLE
Connector,plug,electrical
Delta Electronics Manufacturing Corp Div Delta Electronics Mfg. Corp.
1240-00-382-17351040107 INTERCHANGEABLE
Filter,light,optical Instrument
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5935-00-549-7409 INTERCHANGEABLE
Connector,plug,electrical
5930-00-592-400816-104 INTERCHANGEABLE
Switch,limit
Whippany Actuation Systems, Llc
5930-00-723-244116-104 INTERCHANGEABLE
Switch,sensitive
Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Illinois Tool Works
5905-00-861-7650SE16104 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5930-00-995-0140 INTERCHANGEABLE
Switch,sensitive
5315-01-100-03851610-4 INTERCHANGEABLE
Key,machine
Lear Siegler Inc Hypro Div
6540-01-139-862016104 INTERCHANGEABLE
Exophthalmometer
Gulden Ophthalmics Inc.
3110-01-323-010716-104 INTERCHANGEABLE
Bearing,ball,pivot
Thomas R Miller Co Inc
Cross-Reference Index
Part NumberManufacturer
1610-4 Howmet Global Fastening Systems Inc Div Rosan Products (USA)
602C4 PRIMARY Howmet Global Fastening Systems Inc Div Rosan Products (USA)
Related Parts
5935-00-187-1981INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1001081N001-000
1240-00-382-1735INTERCHANGEABLE
FILTER,LIGHT,OPTICAL INSTRUMENT
1040107
5935-00-549-7409INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5930-00-592-4008INTERCHANGEABLE
SWITCH,LIMIT
16-104
5930-00-723-2441INTERCHANGEABLE
SWITCH,SENSITIVE
16-104
5905-00-861-7650INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
SE16104
5930-00-995-0140INTERCHANGEABLE
SWITCH,SENSITIVE
5315-01-100-0385INTERCHANGEABLE
KEY,MACHINE
1610-4
6540-01-139-8620INTERCHANGEABLE
EXOPHTHALMOMETER
16104
3110-01-323-0107INTERCHANGEABLE
BEARING,BALL,PIVOT
16-104
5330-01-358-9540INTERCHANGEABLE
SEAL,PLAIN
16104
5133-01-413-3624INTERCHANGEABLE
DRILL,MULTI-STEP
16104

Frequently Asked Questions

What is NSN 5120-01-422-1876?

NSN 5120-01-422-1876 is a Tool,installation, manufactured by Howmet Global Fastening Systems Inc Div Rosan Products, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-422-1876?

NSN 5120-01-422-1876 has 2 cross-referenced part numbers: 1610-4 (Howmet Global Fastening Systems Inc Div Rosan Products), 602C4 (Howmet Global Fastening Systems Inc Div Rosan Products).

What NSN replaces 5120-01-422-1876?

There are 12 known substitutes for 5120-01-422-1876: 5935-00-187-1981, 1240-00-382-1735, 5935-00-549-7409 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 602C4?

Key specifications for 602C4: Surface Treatment: CADMIUM; Material: STEEL; General Characteristics Item Description: THRU BOLT COUNTERSINK TYPE FASTENERS;INSIDE DIAMETER 0.252 INCHES;OUTSIDE DIAMETER 0.687 INCHES;HEAT TREATED TO 200,000 OSU IN. 3 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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