PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4398614PC19-20Lining Material,friction

Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance · NSN 2530-00-278-6529 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-278-6529 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-278-6529. Primary manufacturer part number: 4398614PC19-20.
Features
  • Lining Material,friction — FSC 2530
  • Lining Style: BULK LINING
  • Features Provided: FLEXIBLE FRICTION LINING
  • Width: 6.000 INCHES NOMINAL IN
  • Supplementary Features: THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 58536 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
  • Thickness: 0.250 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 3 TYPE AND A CLASS AND 1/4 SIZE
  • Application Type: DRY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lining Material,friction, cataloged under National Stock Number 2530-00-278-6529, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2530-00-278-6529
Primary Part Number4398614PC19-20
Item NameLining Material,friction
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerNaval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance
StatusCANCELLED
Lining StyleBULK LINING
Features ProvidedFLEXIBLE FRICTION LINING
Width6.000 INCHES NOMINAL IN
Supplementary FeaturesTHIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 58536 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
Thickness0.250 INCHES NOMINAL IN
Nondefinitive Spec/std Data3 TYPE AND A CLASS AND 1/4 SIZE
Application TypeDRY
Fabrication MethodWOVEN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2530-00-141-8544GGW 3IN X 1/4IN INTERCHANGEABLE
Lining Material,friction
Scan-Pac Mfg., Inc. Dba Scan-Pac
2530-00-278-6473 INTERCHANGEABLE
Lining Material,friction
2530-00-278-6492 INTERCHANGEABLE
Lining Material,friction
2530-00-278-6499 INTERCHANGEABLE
Lining Material,friction
2530-00-278-6505232-AF 30'ROLL 3'WIDE,5/16"THIC INTERCHANGEABLE
Lining Material,friction
Scan-Pac Mfg., Inc. Dba Scan-Pac
2530-00-278-6507 INTERCHANGEABLE
Lining Material,friction
2530-00-278-6508 INTERCHANGEABLE
Lining Material,friction
2530-00-278-6509 INTERCHANGEABLE
Lining Material,friction
2530-00-278-6522 INTERCHANGEABLE
Lining Material,friction
2530-00-278-6526 INTERCHANGEABLE
Lining Material,friction
Cross-Reference Index
Part NumberManufacturer
4398614PC19-20 Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance (USA)
A-A-52522 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-52522B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA52522-3-A-1-M Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
HHL00361 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-522-2-A-1-M Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA52522-3-A-1-M Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-52522 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
2530-00-141-8544INTERCHANGEABLE
LINING MATERIAL,FRICTION
GGW 3IN X 1/4IN
2530-00-278-6473INTERCHANGEABLE
LINING MATERIAL,FRICTION
2530-00-278-6492INTERCHANGEABLE
LINING MATERIAL,FRICTION
2530-00-278-6499INTERCHANGEABLE
LINING MATERIAL,FRICTION
2530-00-278-6505INTERCHANGEABLE
LINING MATERIAL,FRICTION
232-AF 30'ROLL 3'WIDE,5/16"THIC
2530-00-278-6507INTERCHANGEABLE
LINING MATERIAL,FRICTION
2530-00-278-6508INTERCHANGEABLE
LINING MATERIAL,FRICTION
2530-00-278-6509INTERCHANGEABLE
LINING MATERIAL,FRICTION
2530-00-278-6522INTERCHANGEABLE
LINING MATERIAL,FRICTION
2530-00-278-6526INTERCHANGEABLE
LINING MATERIAL,FRICTION
2530-00-278-6542INTERCHANGEABLE
LINING MATERIAL,FRICTION
2530-00-278-6587INTERCHANGEABLE
LINING MATERIAL,FRICTION
GG-1/4-X-4

Frequently Asked Questions

What is NSN 2530-00-278-6529?

NSN 2530-00-278-6529 is a Lining Material,friction, manufactured by Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance, classified under FSC 2530 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2530-00-278-6529?

NSN 2530-00-278-6529 has 8 cross-referenced part numbers: 4398614PC19-20 (Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance), A-A-52522 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-52522B (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA52522-3-A-1-M (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), HHL00361 (Federal Specifications Promulgated by General Services Administration Washington DC) and 3 more.

What NSN replaces 2530-00-278-6529?

There are 12 known substitutes for 2530-00-278-6529: 2530-00-141-8544, 2530-00-278-6473, 2530-00-278-6492 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4398614PC19-20?

Key specifications for 4398614PC19-20: Lining Style: BULK LINING; Features Provided: FLEXIBLE FRICTION LINING; Width: 6.000 INCHES NOMINAL IN; Supplementary Features: THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 58536 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2530-00-278-6529 still in active supply?

NSN 2530-00-278-6529 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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