PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PR23Key,socket Head Screw

E W S Machine Co Inc Metal-Nax Sales Div · NSN 5120-00-971-1873 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-971-1873 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-971-1873. Primary manufacturer part number: PR23.
Features
  • Key,socket Head Screw — FSC 5120
  • 1 verified cross-reference
  • Primary manufacturer: E W S Machine Co Inc Metal-Nax Sales Div
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-00-971-1873, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is E W S Machine Co Inc Metal-Nax Sales Div. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameKey,socket Head Screw
FSC / FSG5120 — No Item Name Available (FSG 51)
ManufacturersE W S Machine Co Inc Metal-Nax Sales Div (CAGE 34929)
Technical Specifications
ParameterValue
NSN5120-00-971-1873
Primary Part NumberPR23
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerE W S Machine Co Inc Metal-Nax Sales Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4940-00-424-568485-23 INTERCHANGEABLE
Screen,air Regulator
Itw Industrial Finishing Dba Binks Devilbiss
Cross-Reference Index
Part NumberManufacturer
PR23 PRIMARY E W S Machine Co Inc Metal-Nax Sales Div (USA)
Related Parts
4940-00-424-5684INTERCHANGEABLE
SCREEN,AIR REGULATOR
85-23

Frequently Asked Questions

What is NSN 5120-00-971-1873?

NSN 5120-00-971-1873 is a Key,socket Head Screw, manufactured by E W S Machine Co Inc Metal-Nax Sales Div, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-971-1873?

NSN 5120-00-971-1873 has 1 cross-referenced part number: PR23 (E W S Machine Co Inc Metal-Nax Sales Div).

What NSN replaces 5120-00-971-1873?

There is 1 known substitute for 5120-00-971-1873: 4940-00-424-5684. Verify interchangeability with system specifications before substitution.

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