PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3710-1Hairspring Mount

Kearflex Engineering Company · NSN 6610-01-216-9512 · FSC 6610 · No Item Name Available
Verified by PartsTable
NSN 6610-01-216-9512 — this item is cataloged by the U.S. Government under National Stock Number 6610-01-216-9512. Primary manufacturer part number: 3710-1.
Features
  • Hairspring Mount — FSC 6610
  • 1 verified cross-reference
  • Primary manufacturer: Kearflex Engineering Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Hairspring Mount, cataloged under National Stock Number 6610-01-216-9512, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Kearflex Engineering Company. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHairspring Mount
FSC / FSG6610 — No Item Name Available (FSG 66)
ManufacturersKearflex Engineering Company (CAGE 26136)
Technical Specifications
ParameterValue
NSN6610-01-216-9512
Primary Part Number3710-1
Item NameHairspring Mount
FSC / FSG6610 / 66 — No Item Name Available
ManufacturerKearflex Engineering Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-226-4511 INTERCHANGEABLE
Gasket
3455-00-517-59671743-0312 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
5905-00-815-020337-9012 INTERCHANGEABLE
Resistor,adjustable
Ward Leonard Ct Llc
2010-00-953-506537101 INTERCHANGEABLE
Seal Ring,inflatabl
Fmc Technologies Inc Div Material Handling Solutions
5330-01-104-268437101 INTERCHANGEABLE
Gasket
Leroi International Inc Dba Compair Leroi
2840-01-123-2267371-01 INTERCHANGEABLE
Overhaul Kit,cooler
Hamilton Sundstrand Corporation
5330-01-194-3949630038624621000 INTERCHANGEABLE
Gasket
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
5970-01-633-021737101 INTERCHANGEABLE
Sheet,insulating
Unison Industries, Llc Dba Unison Industries Inc
Cross-Reference Index
Part NumberManufacturer
3710-1 PRIMARY Kearflex Engineering Company (USA)
Related Parts
5330-00-226-4511INTERCHANGEABLE
GASKET
3455-00-517-5967INTERCHANGEABLE
CUTTER,MILLING,END
1743-0312
5905-00-815-0203INTERCHANGEABLE
RESISTOR,ADJUSTABLE
37-9012
2010-00-953-5065INTERCHANGEABLE
SEAL RING,INFLATABL
37101
5330-01-104-2684INTERCHANGEABLE
GASKET
37101
2840-01-123-2267INTERCHANGEABLE
OVERHAUL KIT,COOLER
371-01
5330-01-194-3949INTERCHANGEABLE
GASKET
630038624621000
5970-01-633-0217INTERCHANGEABLE
SHEET,INSULATING
37101

Frequently Asked Questions

What is NSN 6610-01-216-9512?

NSN 6610-01-216-9512 is a Hairspring Mount, manufactured by Kearflex Engineering Company, classified under FSC 6610 (No Item Name Available). Status: active.

What are the part numbers for NSN 6610-01-216-9512?

NSN 6610-01-216-9512 has 1 cross-referenced part number: 3710-1 (Kearflex Engineering Company).

What NSN replaces 6610-01-216-9512?

There are 8 known substitutes for 6610-01-216-9512: 5330-00-226-4511, 3455-00-517-5967, 5905-00-815-0203 and 5 more. Verify interchangeability with system specifications before substitution.

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