PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3R1721Bit

Caterpillar Inc Div Caterpillar Defense · NSN 3805-00-919-9203 · FSC 3805 · No Item Name Available
Verified by PartsTable
NSN 3805-00-919-9203 — this item is cataloged by the U.S. Government under National Stock Number 3805-00-919-9203. Primary manufacturer part number: 3R1721.
Features
  • Bit — FSC 3805
  • 2 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bit, cataloged under National Stock Number 3805-00-919-9203, is classified within Federal Supply Class 3805 (No Item Name Available) of the Construction, Mining, Excavating Equipment group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBit
FSC / FSG3805 — No Item Name Available (FSG 38)
ManufacturersMartin W E Co (CAGE 29206); Caterpillar Inc Div Caterpillar Defense (CAGE 11083)
Technical Specifications
ParameterValue
NSN3805-00-919-9203
Primary Part Number3R1721
Item NameBit
FSC / FSG3805 / 38 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5935-01-219-650706301 INTERCHANGEABLE
Connector,receptacle,electrical
Mac Panel Co
7510-01-338-331780044 INTERCHANGEABLE
Tape,correction
Liquid Paper Corp Div of the Gillette Co
7510-01-613-72187000048456 INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
3m Company
Cross-Reference Index
Part NumberManufacturer
06-301 Martin W E Co (USA)
3R1721 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5935-01-219-6507INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
06301
7510-01-338-3317INTERCHANGEABLE
TAPE,CORRECTION
80044
7510-01-613-7218INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
7000048456

Frequently Asked Questions

What is NSN 3805-00-919-9203?

NSN 3805-00-919-9203 is a Bit, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3805 (No Item Name Available). Status: active.

What are the part numbers for NSN 3805-00-919-9203?

NSN 3805-00-919-9203 has 2 cross-referenced part numbers: 06-301 (Martin W E Co), 3R1721 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 3805-00-919-9203?

There are 3 known substitutes for 3805-00-919-9203: 5935-01-219-6507, 7510-01-338-3317, 7510-01-613-7218. Verify interchangeability with system specifications before substitution.

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