PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

105615Tester,safety Relief Valve

Hartzell Propeller Llc · NSN 6685-01-709-0808 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-709-0808 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-709-0808. Primary manufacturer part number: 105615.
Features
  • Tester,safety Relief Valve — FSC 6685
  • Functional Description: TOOL TO PRESSURE TEST THE INTERNAL RELIEF VALVE CONTAINED IN THE RELIEF VALVE BOLT UNIT.
  • 3 verified cross-references
  • Primary manufacturer: Hartzell Propeller Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Tester,safety Relief Valve, cataloged under National Stock Number 6685-01-709-0808, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hartzell Propeller Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-709-0808
Primary Part Number105615
Item NameTester,safety Relief Valve
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerHartzell Propeller Llc
StatusACTIVE
Functional DescriptionTOOL TO PRESSURE TEST THE INTERNAL RELIEF VALVE CONTAINED IN THE RELIEF VALVE BOLT UNIT.
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5985-00-019-3490101280 INTERCHANGEABLE
Waveguide Assembly
Microtech Inc Dba Microtech Inc
5950-00-096-49889355-561 INTERCHANGEABLE
Coil,radio Frequency
Gowanda Holdings, Llc Div Gowanda Electronics Corp.
6210-00-156-0812A1719-24 INTERCHANGEABLE
Light,panel
Grimes Aerospace Company
1730-00-447-0301105615 INTERCHANGEABLE
Guide,rail
Air Logistics Corporation Dba Air Logistics Corp
Cross-Reference Index
Part NumberManufacturer
61-00-65 REV 31 Hartzell Propeller Llc (USA)
105615 PRIMARY Hartzell Propeller Llc (USA)
TE547 Hartzell Propeller Llc (USA)
Related Parts
5985-00-019-3490INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
101280
5950-00-096-4988INTERCHANGEABLE
COIL,RADIO FREQUENCY
9355-561
6210-00-156-0812INTERCHANGEABLE
LIGHT,PANEL
A1719-24
1730-00-447-0301INTERCHANGEABLE
GUIDE,RAIL
105615

Frequently Asked Questions

What is NSN 6685-01-709-0808?

NSN 6685-01-709-0808 is a Tester,safety Relief Valve, manufactured by Hartzell Propeller Llc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-709-0808?

NSN 6685-01-709-0808 has 3 cross-referenced part numbers: 61-00-65 REV 31 (Hartzell Propeller Llc), 105615 (Hartzell Propeller Llc), TE547 (Hartzell Propeller Llc).

What NSN replaces 6685-01-709-0808?

There are 4 known substitutes for 6685-01-709-0808: 5985-00-019-3490, 5950-00-096-4988, 6210-00-156-0812 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 105615?

Key specifications for 105615: Part Name Assigned by Controlling Agency: VALVE ASSEMBLY CHECK TOOL; Functional Description: TOOL TO PRESSURE TEST THE INTERNAL RELIEF VALVE CONTAINED IN THE RELIEF VALVE BOLT UNIT.; Special Features: THIS PART NUMBER CAN BE USED TO ORDER THE DRAWING FOR LOCAL FABRICATION. COMPONENTS - HARTZEL PN: 105616, CAP; 105617, HOUSING; 105403, RELIEF VALVE BOLT UNIT, C-3317-010-2 O-RING. MCMASTER CARR PN: 90131A305, RUBBER WASHER.; End Item Identification: 1510-66-163-8909 - BASIC TRAINING AIRCRAFT, PC-21. 4 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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