PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49645Spring,helical,extension

Telemechanics Inc · NSN 5360-00-412-5747 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-412-5747 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-412-5747. Primary manufacturer part number: 49645.
Features
  • Spring,helical,extension — FSC 5360
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Spring Free Length: 1.500 INCHES NOMINAL IN
  • Design Type: CLOSED
  • Style Designator: CYLINDRICAL
  • Material: STEEL OVERALL
  • 3 verified cross-references
  • Primary manufacturer: Telemechanics Inc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,extension, cataloged under National Stock Number 5360-00-412-5747, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-412-5747
Primary Part Number49645
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Spring Free Length1.500 INCHES NOMINAL IN
Design TypeCLOSED
Style DesignatorCYLINDRICAL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6680-00-019-67429161077 INTERCHANGEABLE
Indicator,liquid Quantity
Veethree Electronics & Marine, Llc Dba Veethree Electronics & Marine Llc
5962-00-512-8830 INTERCHANGEABLE
Microcircuit,digital
5330-01-109-3064 INTERCHANGEABLE
Gasket and Seal Set
5330-01-118-42454186865 INTERCHANGEABLE
Gasket
Chrysler Realty Company Llc Dba Daimler Chrysler
5995-01-280-095849645 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
Cross-Reference Index
Part NumberManufacturer
49645 At and T Corp (USA)
49645 American Telephone and Telegraph Co (USA)
49645 PRIMARY Telemechanics Inc (USA)
Related Parts
6680-00-019-6742INTERCHANGEABLE
INDICATOR,LIQUID QUANTITY
9161077
5962-00-512-8830INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5330-01-109-3064INTERCHANGEABLE
GASKET AND SEAL SET
5330-01-118-4245INTERCHANGEABLE
GASKET
4186865
5995-01-280-0958INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
49645

Frequently Asked Questions

What is NSN 5360-00-412-5747?

NSN 5360-00-412-5747 is a Spring,helical,extension, manufactured by Telemechanics Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-412-5747?

NSN 5360-00-412-5747 has 3 cross-referenced part numbers: 49645 (At and T Corp), 49645 (American Telephone and Telegraph Co), 49645 (Telemechanics Inc).

What NSN replaces 5360-00-412-5747?

There are 5 known substitutes for 5360-00-412-5747: 6680-00-019-6742, 5962-00-512-8830, 5330-01-109-3064 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 49645?

Key specifications for 49645: Coil Helix Direction: RIGHT-HAND OR LEFT-HAND; Spring Free Length: 1.500 INCHES NOMINAL IN; Design Type: CLOSED; Style Designator: CYLINDRICAL. 5 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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