PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25255-2Drag Brake

United States Department of the Navy Dba Naval Surface Warfare Center Panama City · NSN 3040-01-493-6392 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-493-6392 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-493-6392. Primary manufacturer part number: 25255-2.
Features
  • Drag Brake — FSC 3040
  • Material: ALUMINUM ALLOY
  • Surface Treatment: ANODIZE
  • Accessory Components and Quantity: HUB (PT ID 5) 1 EA; SPIDER (PT ID 6) 1 EA; BLADE (PT ID 8) 3 EA; BOLT, SELF LOCKING, FLUSH-HD, CROSS RECESSED, CRES (PT ID MS21092-3004) 1 EA; BOLT, SELF LOCKING, FLUSH-HD, CROSS RECESSED, CRES (PT ID MS21092-06003) 3 EA; SCREW, FLAT HEAD (PT IS MS24693-A50) 3 EA
  • 2 verified cross-references
  • Primary manufacturer: United States Department of the Navy Dba Naval Surface Warfare Center Panama City
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Drag Brake, cataloged under National Stock Number 3040-01-493-6392, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is United States Department of the Navy Dba Naval Surface Warfare Center Panama City. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-493-6392
Primary Part Number25255-2
Item NameDrag Brake
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerUnited States Department of the Navy Dba Naval Surface Warfare Center Panama City
StatusACTIVE
MaterialALUMINUM ALLOY
Surface TreatmentANODIZE
Accessory Components and QuantityHUB (PT ID 5) 1 EA; SPIDER (PT ID 6) 1 EA; BLADE (PT ID 8) 3 EA; BOLT, SELF LOCKING, FLUSH-HD, CROSS RECESSED, CRES (PT ID MS21092-3004) 1 EA; BOLT, SELF LOCKING, FLUSH-HD, CROSS RECESSED, CRES (PT ID MS21092-06003) 3 EA; SCREW, FLAT HEAD (PT IS MS24693-A50) 3 EA
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2805-00-358-2941AA7I301 INTERCHANGEABLE
Lifter
American Terra Vehicles Inc
6920-00-674-6673 INTERCHANGEABLE
Spinner,turbine Ass
5930-00-818-27896270 INTERCHANGEABLE
Switch,pressure
Edro Corporation, the Dba Edro Corp
2915-01-109-295025255 INTERCHANGEABLE
Filter,fluid
Pall Aeropower Corporation
2915-01-133-639125255-2 INTERCHANGEABLE
Bowl,sediment
Pall Aeropower Corporation
7025-01-425-72603174AS2681 INTERCHANGEABLE
Printer,automatic Data Processin
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
2930-01-493-744825255-5 INTERCHANGEABLE
Hub,fan Clutch
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
2530-01-494-358725255-6 INTERCHANGEABLE
Spider,brake
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
5980-01-500-3846 INTERCHANGEABLE
Light Emitting Diode
1005-01-657-0036252552 INTERCHANGEABLE
Support,elevating and Firing Cra
Battenfeld Technologies Inc.
Cross-Reference Index
Part NumberManufacturer
25255-2 PRIMARY United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA)
25255 United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA)
Related Parts
2805-00-358-2941INTERCHANGEABLE
LIFTER
AA7I301
6920-00-674-6673INTERCHANGEABLE
SPINNER,TURBINE ASS
5930-00-818-2789INTERCHANGEABLE
SWITCH,PRESSURE
6270
2915-01-109-2950INTERCHANGEABLE
FILTER,FLUID
25255
2915-01-133-6391INTERCHANGEABLE
BOWL,SEDIMENT
25255-2
7025-01-425-7260INTERCHANGEABLE
PRINTER,AUTOMATIC DATA PROCESSIN
3174AS2681
2930-01-493-7448INTERCHANGEABLE
HUB,FAN CLUTCH
25255-5
2530-01-494-3587INTERCHANGEABLE
SPIDER,BRAKE
25255-6
5980-01-500-3846INTERCHANGEABLE
LIGHT EMITTING DIODE
1005-01-657-0036INTERCHANGEABLE
SUPPORT,ELEVATING AND FIRING CRA
252552

Frequently Asked Questions

What is NSN 3040-01-493-6392?

NSN 3040-01-493-6392 is a Drag Brake, manufactured by United States Department of the Navy Dba Naval Surface Warfare Center Panama City, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-493-6392?

NSN 3040-01-493-6392 has 2 cross-referenced part numbers: 25255-2 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City), 25255 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City).

What NSN replaces 3040-01-493-6392?

There are 10 known substitutes for 3040-01-493-6392: 2805-00-358-2941, 6920-00-674-6673, 5930-00-818-2789 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25255-2?

Key specifications for 25255-2: Material: ALUMINUM ALLOY; Special Features: USED ON RH/MH-53; Surface Treatment: ANODIZE; Accessory Components and Quantity: HUB (PT ID 5) 1 EA; SPIDER (PT ID 6) 1 EA; BLADE (PT ID 8) 3 EA; BOLT, SELF LOCKING, FLUSH-HD, CROSS RECESSED, CRES (PT ID MS21092-3004) 1 EA; BOLT, SELF LOCKING, FLUSH-HD, CROSS RECESSED, CRES (PT ID MS21092-06003) 3 EA; SCREW, FLAT HEAD (PT IS MS24693-A50) 3 EA. 6 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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