PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

401-500Piston,nonmetallic,otological

Grace Medical Inc · NSN 6515-01-570-3669 · FSC 6515 · No Item Name Available
Verified by PartsTable
NSN 6515-01-570-3669 — this item is cataloged by the U.S. Government under National Stock Number 6515-01-570-3669. Primary manufacturer part number: 401-500.
Features
  • Piston,nonmetallic,otological — FSC 6515
  • Length: 5.0 MILLIMETERS NOMINAL MM
  • Diameter: 0.4 MILLIMETERS MM
  • 1 verified cross-reference
  • Primary manufacturer: Grace Medical Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Piston,nonmetallic,otological, cataloged under National Stock Number 6515-01-570-3669, is classified within Federal Supply Class 6515 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Grace Medical Inc. Government technical data includes 2 verified specifications, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6515-01-570-3669
Primary Part Number401-500
Item NamePiston,nonmetallic,otological
FSC / FSG6515 / 65 — No Item Name Available
ManufacturerGrace Medical Inc
StatusACTIVE
Length5.0 MILLIMETERS NOMINAL MM
Diameter0.4 MILLIMETERS MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2915-00-608-7934401500 INTERCHANGEABLE
Tube,assy
Woodward, Inc. Div Fuel Systems and Controls
5920-00-995-6079 INTERCHANGEABLE
Fuse,indicator Alarm
5330-01-415-4709E332-5187-5 INTERCHANGEABLE
Seal,plain
Almon Johnson Ltd
Cross-Reference Index
Part NumberManufacturer
401-500 PRIMARY Grace Medical Inc (USA)
Related Parts
2915-00-608-7934INTERCHANGEABLE
TUBE,ASSY
401500
5920-00-995-6079INTERCHANGEABLE
FUSE,INDICATOR ALARM
5330-01-415-4709INTERCHANGEABLE
SEAL,PLAIN
E332-5187-5

Frequently Asked Questions

What is NSN 6515-01-570-3669?

NSN 6515-01-570-3669 is a Piston,nonmetallic,otological, manufactured by Grace Medical Inc, classified under FSC 6515 (No Item Name Available). Status: active.

What are the part numbers for NSN 6515-01-570-3669?

NSN 6515-01-570-3669 has 1 cross-referenced part number: 401-500 (Grace Medical Inc).

What NSN replaces 6515-01-570-3669?

There are 3 known substitutes for 6515-01-570-3669: 2915-00-608-7934, 5920-00-995-6079, 5330-01-415-4709. Verify interchangeability with system specifications before substitution.

What are the specifications of 401-500?

Key specifications for 401-500: Special Features: CAUSSE LOOP TYPE; CRIMP FREE; REDUCES THE INCIDENCE OF NECROSIS; FLUROPLASTIC; Length: 5.0 MILLIMETERS NOMINAL MM; Diameter: 0.4 MILLIMETERS MM. 3 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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