PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1821Guide,drill

Ridge Tool Company · NSN 5120-00-223-8964 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-223-8964 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-223-8964. Primary manufacturer part number: 1821.
Features
  • Guide,drill — FSC 5120
  • Outside Diameter: 0.562 INCHES IN
  • Drill Diameter: 0.250 INCHES NOMINAL IN
  • 7 verified cross-references
  • Primary manufacturer: Ridge Tool Company
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Guide,drill, cataloged under National Stock Number 5120-00-223-8964, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Ridge Tool Company. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-223-8964
Primary Part Number1821
Item NameGuide,drill
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerRidge Tool Company
StatusCANCELLED
Outside Diameter0.562 INCHES IN
Drill Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5120-00-223-886835765 INTERCHANGEABLE
Guide,drill
Ridge Tool Company
5120-00-223-89601421 INTERCHANGEABLE
Guide,drill
Ridge Tool Company
5120-00-223-89611521 INTERCHANGEABLE
Guide,drill
Ridge Tool Company
5120-00-223-896235800 INTERCHANGEABLE
Guide,drill
Ridge Tool Company
5120-00-223-896335805 INTERCHANGEABLE
Guide,drill
Ridge Tool Company
5120-00-223-896535770 INTERCHANGEABLE
Guide,drill
Ridge Tool Company
5120-00-223-896635775 INTERCHANGEABLE
Guide,drill
Ridge Tool Company
5120-00-223-89671221 INTERCHANGEABLE
Guide,drill
Ridge Tool Company
5120-00-223-8968 INTERCHANGEABLE
Guide,drill
4820-01-235-788835810 INTERCHANGEABLE
Valve,check
Aeroil Products Co Inc
Cross-Reference Index
Part NumberManufacturer
1821 PRIMARY Ridge Tool Company (USA)
35810 Ridge Tool (uk) (GBR)
SE101821 Stanley Industrial & Automotive Llc (USA)
GGG-E-936 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
E1821 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
GGG-E-936 TY3 General Services Administration Federal Supply Service (USA)
35810 Ridge Tool Company (USA)
Related Parts
5120-00-223-8868INTERCHANGEABLE
GUIDE,DRILL
35765
5120-00-223-8960INTERCHANGEABLE
GUIDE,DRILL
1421
5120-00-223-8961INTERCHANGEABLE
GUIDE,DRILL
1521
5120-00-223-8962INTERCHANGEABLE
GUIDE,DRILL
35800
5120-00-223-8963INTERCHANGEABLE
GUIDE,DRILL
35805
5120-00-223-8965INTERCHANGEABLE
GUIDE,DRILL
35770
5120-00-223-8966INTERCHANGEABLE
GUIDE,DRILL
35775
5120-00-223-8967INTERCHANGEABLE
GUIDE,DRILL
1221
5120-00-223-8968INTERCHANGEABLE
GUIDE,DRILL
4820-01-235-7888INTERCHANGEABLE
VALVE,CHECK
35810
5305-01-379-4245INTERCHANGEABLE
SCREW,MACHINE
863T0010508-007

Frequently Asked Questions

What is NSN 5120-00-223-8964?

NSN 5120-00-223-8964 is a Guide,drill, manufactured by Ridge Tool Company, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-223-8964?

NSN 5120-00-223-8964 has 7 cross-referenced part numbers: 1821 (Ridge Tool Company), 35810 (Ridge Tool (uk)), SE101821 (Stanley Industrial & Automotive Llc), GGG-E-936 (Federal Specifications Promulgated by General Services Administration Washington DC), E1821 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc) and 2 more.

What NSN replaces 5120-00-223-8964?

There are 11 known substitutes for 5120-00-223-8964: 5120-00-223-8868, 5120-00-223-8960, 5120-00-223-8961 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1821?

Key specifications for 1821: Outside Diameter: 0.562 INCHES IN; Drill Diameter: 0.250 INCHES NOMINAL IN. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-223-8964 still in active supply?

NSN 5120-00-223-8964 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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