PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-520Chuck,drill

Us Air Tool Co., Inc. · NSN 3460-01-670-9436 · FSC 3460 · No Item Name Available
Verified by PartsTable
NSN 3460-01-670-9436 — this item is cataloged by the U.S. Government under National Stock Number 3460-01-670-9436. Primary manufacturer part number: 20-520.
Features
  • Chuck,drill — FSC 3460
  • 1 verified cross-reference
  • Primary manufacturer: Us Air Tool Co., Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Chuck,drill, cataloged under National Stock Number 3460-01-670-9436, is classified within Federal Supply Class 3460 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Us Air Tool Co., Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3460-01-670-9436
Primary Part Number20-520
Item NameChuck,drill
FSC / FSG3460 / 34 — No Item Name Available
ManufacturerUs Air Tool Co., Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5325-00-232-921882-11-520-16 INTERCHANGEABLE
Stud,turnlock Fastener
Southco Inc
5935-00-259-3299QRE34S INTERCHANGEABLE
Connector,receptacle,electrical
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
4820-00-393-428820520 INTERCHANGEABLE
Stem,needle Valve
Grove Valve Operations
5935-00-678-5997 INTERCHANGEABLE
Connector,electrica
5930-01-115-6944142-4 INTERCHANGEABLE
Switch Section,rotary
Tabet Manufacturing Company, Inc. Dba Tabet Manufacturing Co Inc
5920-01-162-455320-520 INTERCHANGEABLE
Fuse,cartridge
Rapid Power Technologies Inc
4520-01-194-6448STD1580 INTERCHANGEABLE
Heating Element,electrical,nonim
Basic American Inc
5120-01-349-1450 INTERCHANGEABLE
Wrench,box and Open End,combinat
5330-01-386-274220520 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4820-01-439-351520520 INTERCHANGEABLE
Valve,check
Cooper Surgical
Cross-Reference Index
Part NumberManufacturer
20-520 PRIMARY Us Air Tool Co., Inc. (USA)
Related Parts
5325-00-232-9218INTERCHANGEABLE
STUD,TURNLOCK FASTENER
82-11-520-16
5935-00-259-3299INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
QRE34S
4820-00-393-4288INTERCHANGEABLE
STEM,NEEDLE VALVE
20520
5935-00-678-5997INTERCHANGEABLE
CONNECTOR,ELECTRICA
5930-01-115-6944INTERCHANGEABLE
SWITCH SECTION,ROTARY
142-4
5920-01-162-4553INTERCHANGEABLE
FUSE,CARTRIDGE
20-520
4520-01-194-6448INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
STD1580
5120-01-349-1450INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5330-01-386-2742INTERCHANGEABLE
SEAL,PLAIN ENCASED
20520
4820-01-439-3515INTERCHANGEABLE
VALVE,CHECK
20520
6545-01-607-3397INTERCHANGEABLE
MEDICAL EQUIPMENT SET,PHYSICAL T
20520

Frequently Asked Questions

What is NSN 3460-01-670-9436?

NSN 3460-01-670-9436 is a Chuck,drill, manufactured by Us Air Tool Co., Inc., classified under FSC 3460 (No Item Name Available). Status: active.

What are the part numbers for NSN 3460-01-670-9436?

NSN 3460-01-670-9436 has 1 cross-referenced part number: 20-520 (Us Air Tool Co., Inc.).

What NSN replaces 3460-01-670-9436?

There are 11 known substitutes for 3460-01-670-9436: 5325-00-232-9218, 5935-00-259-3299, 4820-00-393-4288 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-520?

Key specifications for 20-520: Special Features: CAPACITY RANGE 0-3/8 INCH, MOUNT THREAD 3/8 INCH-24, FOR STANDARD AND REVERSIBLE DRILLS, ALL STEEL CONSTRUCTION IN; Part Name Assigned by Controlling Agency: KEYLESS CHUCKS. 2 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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