PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17398-2Piston Assembly,tester Air

Haskel International, Llc Dba Haskel International, Llc · NSN 4920-00-063-3522 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-063-3522 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-063-3522. Primary manufacturer part number: 17398-2.
Features
  • Piston Assembly,tester Air — FSC 4920
  • General Characteristics Item Description: CONSISTS OF 1 PISTON P/N 16503,A ROD P/N 16623-2 AND A SPIRAL PIN 0.188 IN. W.,0.375 IN. LG A
  • 1 verified cross-reference
  • Primary manufacturer: Haskel International, Llc Dba Haskel International, Llc
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Piston Assembly,tester Air, cataloged under National Stock Number 4920-00-063-3522, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Haskel International, Llc Dba Haskel International, Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). 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
NSN4920-00-063-3522
Primary Part Number17398-2
Item NamePiston Assembly,tester Air
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerHaskel International, Llc Dba Haskel International, Llc
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF 1 PISTON P/N 16503,A ROD P/N 16623-2 AND A SPIRAL PIN 0.188 IN. W.,0.375 IN. LG A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5340-00-456-10112146061 INTERCHANGEABLE
Hook,support
General Motors Corp
5815-00-735-1016 INTERCHANGEABLE
Maintenance Kit
Cross-Reference Index
Part NumberManufacturer
17398-2 Haskel International, Llc Dba Haskel International, Llc (USA)
Related Parts
5340-00-456-1011INTERCHANGEABLE
HOOK,SUPPORT
2146061
5815-00-735-1016INTERCHANGEABLE
MAINTENANCE KIT

Frequently Asked Questions

What is NSN 4920-00-063-3522?

NSN 4920-00-063-3522 is a Piston Assembly,tester Air, manufactured by Haskel International, Llc Dba Haskel International, Llc, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-063-3522?

NSN 4920-00-063-3522 has 1 cross-referenced part number: 17398-2 (Haskel International, Llc Dba Haskel International, Llc).

What NSN replaces 4920-00-063-3522?

There are 2 known substitutes for 4920-00-063-3522: 5340-00-456-1011, 5815-00-735-1016. Verify interchangeability with system specifications before substitution.

What are the specifications of 17398-2?

Key specifications for 17398-2: End Item Identification: TEST 6479 PENN COMPONENTS; General Characteristics Item Description: CONSISTS OF 1 PISTON P/N 16503,A ROD P/N 16623-2 AND A SPIRAL PIN 0.188 IN. W.,0.375 IN. LG A. 2 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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