PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILB385Breaker,paving

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 3820-00-290-4988 · FSC 3820 · No Item Name Available
Verified by PartsTable
NSN 3820-00-290-4988 — this item is cataloged by the U.S. Government under National Stock Number 3820-00-290-4988. Primary manufacturer part number: MILB385.
Features
  • Breaker,paving — FSC 3820
  • Shank Style: STRAIGHT HEXAGON
  • Prime Mover Type: PNEUMATIC MOTOR
  • Accessory Components: DEMOLITION TOOL CHUCK
  • Handle Style: CLOSED-D END
  • Conversion Feature for Sinker Drill Operation: NOT INCLUDED
  • Nondefinitive Spec/std Data: 1 TYPE
  • Shank Overall Length: 2.750 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Breaker,paving, cataloged under National Stock Number 3820-00-290-4988, is classified within Federal Supply Class 3820 (No Item Name Available) of the Construction, Mining, Excavating Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN3820-00-290-4988
Primary Part NumberMILB385
Item NameBreaker,paving
FSC / FSG3820 / 38 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Shank StyleSTRAIGHT HEXAGON
Prime Mover TypePNEUMATIC MOTOR
Accessory ComponentsDEMOLITION TOOL CHUCK
Handle StyleCLOSED-D END
Conversion Feature for Sinker Drill OperationNOT INCLUDED
Nondefinitive Spec/std Data1 TYPE
Shank Overall Length2.750 INCHES NOMINAL IN
Width Across Flats0.875 INCHES NOMINAL IN
Reference Number Differentiating CharacteristicsPAC AAZF
Tool Retainer TypeSLEEVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4930-00-098-4865CP3 INTERCHANGEABLE
Control Panel Assem
Micro Computer Consultants Inc Quality Accessories and Instruments Div
5999-00-170-01902994442-2 INTERCHANGEABLE
Delay Line
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3820-00-226-5726 INTERCHANGEABLE
Breaker,paving
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
3820-00-290-4990 INTERCHANGEABLE
Breaker,paving
3820-00-290-4991 INTERCHANGEABLE
Breaker,paving
3820-00-292-0076 INTERCHANGEABLE
Breaker,paving
Cross-Reference Index
Part NumberManufacturer
MILB385 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CP3 Chicago Pneumatic Tool Co (USA)
Related Parts
4930-00-098-4865INTERCHANGEABLE
CONTROL PANEL ASSEM
CP3
5999-00-170-0190INTERCHANGEABLE
DELAY LINE
2994442-2
3820-00-226-5726INTERCHANGEABLE
BREAKER,PAVING
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
3820-00-290-4990INTERCHANGEABLE
BREAKER,PAVING
3820-00-290-4991INTERCHANGEABLE
BREAKER,PAVING
3820-00-292-0076INTERCHANGEABLE
BREAKER,PAVING
5315-00-450-0336INTERCHANGEABLE
PIN
3820-00-457-8280INTERCHANGEABLE
BREAKER,PAVING

Frequently Asked Questions

What is NSN 3820-00-290-4988?

NSN 3820-00-290-4988 is a Breaker,paving, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3820 (No Item Name Available). Status: active.

What are the part numbers for NSN 3820-00-290-4988?

NSN 3820-00-290-4988 has 2 cross-referenced part numbers: MILB385 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CP3 (Chicago Pneumatic Tool Co).

What NSN replaces 3820-00-290-4988?

There are 12 known substitutes for 3820-00-290-4988: 4930-00-098-4865, 5999-00-170-0190, 3820-00-226-5726 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILB385?

Key specifications for MILB385: Shank Style: STRAIGHT HEXAGON; Weight: 25.0 POUNDS NOMINAL LBS; Prime Mover Type: PNEUMATIC MOTOR; Accessory Components: DEMOLITION TOOL CHUCK. 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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