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 3820-00-663-7287 · FSC 3820 · No Item Name Available
Verified by PartsTable
NSN 3820-00-663-7287 — this item is cataloged by the U.S. Government under National Stock Number 3820-00-663-7287. Primary manufacturer part number: MILB385.
Features
  • Breaker,paving — FSC 3820
  • Width Across Flats: 0.875 INCHES NOMINAL IN
  • Conversion Feature for Sinker Drill Operation: NOT INCLUDED
  • Shank Overall Length: 2.750 INCHES NOMINAL IN
  • Prime Mover Type: PNEUMATIC MOTOR
  • Handle Style: CLOSED-D END
  • Reference Number Differentiating Characteristics: PAC ATCE
  • Nondefinitive Spec/std Data: 1 TYPE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Breaker,paving, cataloged under National Stock Number 3820-00-663-7287, 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 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
NSN3820-00-663-7287
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
Width Across Flats0.875 INCHES NOMINAL IN
Conversion Feature for Sinker Drill OperationNOT INCLUDED
Shank Overall Length2.750 INCHES NOMINAL IN
Prime Mover TypePNEUMATIC MOTOR
Handle StyleCLOSED-D END
Reference Number Differentiating CharacteristicsPAC ATCE
Nondefinitive Spec/std Data1 TYPE
Tool Retainer TypeBOLT
Accessory ComponentsDEMOLITION TOOL CHUCK
Shank StyleSTRAIGHT HEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-224-4113 INTERCHANGEABLE
Hammer,hand
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
3820-00-290-4988 INTERCHANGEABLE
Breaker,paving
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
28G Cooper Industries Industrial Machinery Div (USA)
28G Cooper Industries Inc Dba Cooper Tools (USA)
Related Parts
5120-00-224-4113INTERCHANGEABLE
HAMMER,HAND
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
3820-00-290-4988INTERCHANGEABLE
BREAKER,PAVING
3820-00-290-4990INTERCHANGEABLE
BREAKER,PAVING
3820-00-290-4991INTERCHANGEABLE
BREAKER,PAVING
3820-00-292-0076INTERCHANGEABLE
BREAKER,PAVING
3820-00-457-8280INTERCHANGEABLE
BREAKER,PAVING
3820-00-711-6060INTERCHANGEABLE
BREAKER,PAVING

Frequently Asked Questions

What is NSN 3820-00-663-7287?

NSN 3820-00-663-7287 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 3820-00-663-7287?

NSN 3820-00-663-7287 has 3 cross-referenced part numbers: MILB385 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 28G (Cooper Industries Industrial Machinery Div), 28G (Cooper Industries Inc Dba Cooper Tools).

What NSN replaces 3820-00-663-7287?

There are 12 known substitutes for 3820-00-663-7287: 5120-00-224-4113, 3820-00-226-5726, 3820-00-290-4269 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILB385?

Key specifications for MILB385: Width Across Flats: 0.875 INCHES NOMINAL IN; Conversion Feature for Sinker Drill Operation: NOT INCLUDED; Shank Overall Length: 2.750 INCHES NOMINAL IN; Prime Mover Type: PNEUMATIC MOTOR. 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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