PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

511431Disk,brake,special

Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems · NSN 1630-01-394-3952 · FSC 1630 · No Item Name Available
Verified by PartsTable
NSN 1630-01-394-3952 — this item is cataloged by the U.S. Government under National Stock Number 1630-01-394-3952. Primary manufacturer part number: 511431.
Features
  • Disk,brake,special — FSC 1630
  • 1 verified cross-reference
  • Primary manufacturer: Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Disk,brake,special, cataloged under National Stock Number 1630-01-394-3952, is classified within Federal Supply Class 1630 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems. 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
NSN1630-01-394-3952
Primary Part Number511431
Item NameDisk,brake,special
FSC / FSG1630 / 16 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2610-00-142-538912504860 INTERCHANGEABLE
Tire,pneumatic,vehicular
U S Army Tank Automotive Command Amsta-Im-Mm
6515-01-591-3909511.431 INTERCHANGEABLE
Drill,twist,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
511431 PRIMARY Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA)
Related Parts
2610-00-142-5389INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
12504860
6515-01-591-3909INTERCHANGEABLE
DRILL,TWIST,BONE
511.431

Frequently Asked Questions

What is NSN 1630-01-394-3952?

NSN 1630-01-394-3952 is a Disk,brake,special, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems, classified under FSC 1630 (No Item Name Available). Status: active.

What are the part numbers for NSN 1630-01-394-3952?

NSN 1630-01-394-3952 has 1 cross-referenced part number: 511431 (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems).

What NSN replaces 1630-01-394-3952?

There are 2 known substitutes for 1630-01-394-3952: 2610-00-142-5389, 6515-01-591-3909. Verify interchangeability with system specifications before substitution.

What are the specifications of 511431?

Key specifications for 511431: End Item Identification: A129 HELICOPTER. 1 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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