PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

46-231-4Strap Duplicator,bushing

Us Air Tool Co., Inc. · NSN 4920-01-491-6246 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-491-6246 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-491-6246. Primary manufacturer part number: 46-231-4.
Features
  • Strap Duplicator,bushing — FSC 4920
  • General Characteristics Item Description: BUSHING TYPE; DUPLICATES HOLES FROM AN OVERLAPPING SHEET; ACTS AS A DRILL JIG WHEN PILOT IS IN PLACE; TAPERED; NO. 19 DRILL AND PILOT DIA.
  • 1 verified cross-reference
  • Primary manufacturer: Us Air Tool Co., Inc.
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Strap Duplicator,bushing, cataloged under National Stock Number 4920-01-491-6246, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Us Air Tool Co., Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-01-491-6246
Primary Part Number46-231-4
Item NameStrap Duplicator,bushing
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerUs Air Tool Co., Inc.
StatusACTIVE
General Characteristics Item DescriptionBUSHING TYPE; DUPLICATES HOLES FROM AN OVERLAPPING SHEET; ACTS AS A DRILL JIG WHEN PILOT IS IN PLACE; TAPERED; NO. 19 DRILL AND PILOT DIA.
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-854-835134336 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
6750-01-427-4293 INTERCHANGEABLE
Film,photographic
Cross-Reference Index
Part NumberManufacturer
46-231-4 PRIMARY Us Air Tool Co., Inc. (USA)
Related Parts
5330-00-854-8351INTERCHANGEABLE
SEAL,PLAIN ENCASED
34336
6750-01-427-4293INTERCHANGEABLE
FILM,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 4920-01-491-6246?

NSN 4920-01-491-6246 is a Strap Duplicator,bushing, manufactured by Us Air Tool Co., Inc., classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-491-6246?

NSN 4920-01-491-6246 has 1 cross-referenced part number: 46-231-4 (Us Air Tool Co., Inc.).

What NSN replaces 4920-01-491-6246?

There are 2 known substitutes for 4920-01-491-6246: 5330-00-854-8351, 6750-01-427-4293. Verify interchangeability with system specifications before substitution.

What are the specifications of 46-231-4?

Key specifications for 46-231-4: Overall Length: 6.250 INCHES NOMINAL IN; General Characteristics Item Description: BUSHING TYPE; DUPLICATES HOLES FROM AN OVERLAPPING SHEET; ACTS AS A DRILL JIG WHEN PILOT IS IN PLACE; TAPERED; NO. 19 DRILL AND PILOT DIA.. 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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