PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W14Breaker,paving

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 3820-00-290-4991 · FSC 3820 · No Item Name Available
Verified by PartsTable
NSN 3820-00-290-4991 — this item is cataloged by the U.S. Government under National Stock Number 3820-00-290-4991. Primary manufacturer part number: W14.
Features
  • Breaker,paving — FSC 3820
  • Shank Style: STRAIGHT HEXAGON
  • Handle Style: CLOSED-D END
  • Accessory Components: DEMOLITION TOOL CHUCK
  • Prime Mover Type: PNEUMATIC MOTOR
  • Reference Number Differentiating Characteristics: PAC AAZF
  • Shank Overall Length: 2.750 INCHES NOMINAL IN
  • Conversion Feature for Sinker Drill Operation: NOT INCLUDED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Breaker,paving, cataloged under National Stock Number 3820-00-290-4991, is classified within Federal Supply Class 3820 (No Item Name Available) of the Construction, Mining, Excavating Equipment group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3820-00-290-4991
Primary Part NumberW14
Item NameBreaker,paving
FSC / FSG3820 / 38 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Shank StyleSTRAIGHT HEXAGON
Handle StyleCLOSED-D END
Accessory ComponentsDEMOLITION TOOL CHUCK
Prime Mover TypePNEUMATIC MOTOR
Reference Number Differentiating CharacteristicsPAC AAZF
Shank Overall Length2.750 INCHES NOMINAL IN
Conversion Feature for Sinker Drill OperationNOT INCLUDED
Nondefinitive Spec/std Data1 TYPE
Width Across Flats0.875 INCHES NOMINAL IN
Tool Retainer TypeSPLIT SLEEVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-209-3773W14 INTERCHANGEABLE
Washer,key
Skf Usa Inc.
3820-00-226-5726 INTERCHANGEABLE
Breaker,paving
5310-00-226-5980 INTERCHANGEABLE
Washer,key
3820-00-290-42691531 INTERCHANGEABLE
Pick,paving Breaker
Vulcan Co Inc the
3820-00-290-42711PBA5-14 INTERCHANGEABLE
Chisel,paving Breaker
Curtiss-Wright Electro-Mechanical Corporation Div Epd
3820-00-290-42771000 INTERCHANGEABLE
Moil Point,paving Breaker
Vulcan Co Inc the
3820-00-290-4282 INTERCHANGEABLE
Spade,paving Breaker
3820-00-290-4988 INTERCHANGEABLE
Breaker,paving
3820-00-290-4990 INTERCHANGEABLE
Breaker,paving
3820-00-292-0076 INTERCHANGEABLE
Breaker,paving
Cross-Reference Index
Part NumberManufacturer
W14 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
MILB385 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
W14 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
5310-00-209-3773INTERCHANGEABLE
WASHER,KEY
W14
3820-00-226-5726INTERCHANGEABLE
BREAKER,PAVING
5310-00-226-5980INTERCHANGEABLE
WASHER,KEY
3820-00-290-4269INTERCHANGEABLE
PICK,PAVING BREAKER
1531
3820-00-290-4271INTERCHANGEABLE
CHISEL,PAVING BREAKER
1PBA5-14
3820-00-290-4277INTERCHANGEABLE
MOIL POINT,PAVING BREAKER
1000
3820-00-290-4282INTERCHANGEABLE
SPADE,PAVING BREAKER
3820-00-290-4988INTERCHANGEABLE
BREAKER,PAVING
3820-00-290-4990INTERCHANGEABLE
BREAKER,PAVING
3820-00-292-0076INTERCHANGEABLE
BREAKER,PAVING
5310-00-425-2015INTERCHANGEABLE
WASHER,KEY
W-14
3020-00-448-2782INTERCHANGEABLE
GEAR,WORM WHEEL
W1-4

Frequently Asked Questions

What is NSN 3820-00-290-4991?

NSN 3820-00-290-4991 is a Breaker,paving, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 3820 (No Item Name Available). Status: active.

What are the part numbers for NSN 3820-00-290-4991?

NSN 3820-00-290-4991 has 3 cross-referenced part numbers: W14 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), MILB385 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), W14 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging).

What NSN replaces 3820-00-290-4991?

There are 12 known substitutes for 3820-00-290-4991: 5310-00-209-3773, 3820-00-226-5726, 5310-00-226-5980 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W14?

Key specifications for W14: Shank Style: STRAIGHT HEXAGON; Handle Style: CLOSED-D END; Accessory Components: DEMOLITION TOOL CHUCK; Weight: 25.0 POUNDS NOMINAL LBS. 11 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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