PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51243Spring,helical,extension

Aerol Llc · NSN 5360-00-341-9193 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-341-9193 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-341-9193. Primary manufacturer part number: 51243.
Features
  • Spring,helical,extension — FSC 5360
  • Spring Deflection Rate: 25.000 POUNDS PER INCH NOMINAL LBS
  • End Style: MACHINE LOOP BOTH ENDS
  • Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Style Designator: CYLINDRICAL
  • Design Type: CLOSED
  • Material: STEEL OVERALL
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
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 5360-00-341-9193, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aerol Llc. Government technical data includes 11 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-341-9193
Primary Part Number51243
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerAerol Llc
StatusACTIVE
Spring Deflection Rate25.000 POUNDS PER INCH NOMINAL LBS
End StyleMACHINE LOOP BOTH ENDS
Surface Treatment Document and ClassificationQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Style DesignatorCYLINDRICAL
Design TypeCLOSED
MaterialSTEEL OVERALL
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Hook Radius0.187 INCHES NOMINAL BOTH ENDS IN
Inside Diameter0.375 INCHES MINIMUM IN
Opening Width0.500 INCHES NOMINAL BOTH ENDS IN
Surface TreatmentCADMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2940-00-007-4791325100 INTERCHANGEABLE
Filter Element,fluid
Deluxe Products Div Walker Mfg Co
5977-00-031-270851243 INTERCHANGEABLE
Holder,electrical Contact Brush
L3harris Technologies, Inc Div Space & Airborne Systems
5315-01-041-614451243 INTERCHANGEABLE
Pin,spring
Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company
8030-01-596-9633 INTERCHANGEABLE
Antiseize Compound
Cross-Reference Index
Part NumberManufacturer
51243 PRIMARY Aerol Llc (USA)
Related Parts
2940-00-007-4791INTERCHANGEABLE
FILTER ELEMENT,FLUID
325100
5977-00-031-2708INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
51243
5315-01-041-6144INTERCHANGEABLE
PIN,SPRING
51243
8030-01-596-9633INTERCHANGEABLE
ANTISEIZE COMPOUND

Frequently Asked Questions

What is NSN 5360-00-341-9193?

NSN 5360-00-341-9193 is a Spring,helical,extension, manufactured by Aerol Llc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-341-9193?

NSN 5360-00-341-9193 has 1 cross-referenced part number: 51243 (Aerol Llc).

What NSN replaces 5360-00-341-9193?

There are 4 known substitutes for 5360-00-341-9193: 2940-00-007-4791, 5977-00-031-2708, 5315-01-041-6144 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51243?

Key specifications for 51243: Spring Deflection Rate: 25.000 POUNDS PER INCH NOMINAL LBS; End Style: MACHINE LOOP BOTH ENDS; Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: CYLINDRICAL. 11 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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