PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1045-04Spring,helical,compression

Aqualung Usa, Inc · NSN 5360-00-779-3398 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-779-3398 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-779-3398. Primary manufacturer part number: 1045-04.
Features
  • Spring,helical,compression — FSC 5360
  • Inside Diameter: 0.425 INCHES MINIMUM IN
  • Spring Deflection Rate: 350.000 POUNDS PER INCH NOMINAL LBS
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Material: STEEL COMP 1566 OVERALL
  • Spring Solid Length: 0.440 INCHES MAXIMUM IN
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Spring Solid Outside Diameter: 0.645 INCHES MAXIMUM IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 1566 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-779-3398, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aqualung Usa, Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5360-00-779-3398
Primary Part Number1045-04
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerAqualung Usa, Inc
StatusACTIVE
Inside Diameter0.425 INCHES MINIMUM IN
Spring Deflection Rate350.000 POUNDS PER INCH NOMINAL LBS
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
MaterialSTEEL COMP 1566 OVERALL
Spring Solid Length0.440 INCHES MAXIMUM IN
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Spring Solid Outside Diameter0.645 INCHES MAXIMUM IN
Spring Free Outside Diameter0.645 INCHES MAXIMUM IN
Spring Length Under Load0.500 INCHES NOMINAL IN
Spring Free Length0.760 INCHES NOMINAL IN
Load Rating92.000 POUNDS NOMINAL LBS
Coil Quantity4-1/2
Style DesignatorCYLINDRICAL
Material Document and ClassificationAISI C1066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5331-00-292-883932361 INTERCHANGEABLE
O-Ring
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5365-00-464-6804104504 INTERCHANGEABLE
Spacer,support
Astronautics Corporation of America
5940-00-883-03401417A INTERCHANGEABLE
Terminal,stud
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
4320-01-008-903010-450-4 INTERCHANGEABLE
Air Cylinder
Sc Hydraulic Engineering Inc
Cross-Reference Index
Part NumberManufacturer
1045-04NM Naval Inventory Control Point Mechanicsburg (USA)
1045-04 PRIMARY Aqualung Usa, Inc (USA)
Related Parts
5331-00-292-8839INTERCHANGEABLE
O-RING
32361
5365-00-464-6804INTERCHANGEABLE
SPACER,SUPPORT
104504
5940-00-883-0340INTERCHANGEABLE
TERMINAL,STUD
1417A
4320-01-008-9030INTERCHANGEABLE
AIR CYLINDER
10-450-4

Frequently Asked Questions

What is NSN 5360-00-779-3398?

NSN 5360-00-779-3398 is a Spring,helical,compression, manufactured by Aqualung Usa, Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-779-3398?

NSN 5360-00-779-3398 has 2 cross-referenced part numbers: 1045-04NM (Naval Inventory Control Point Mechanicsburg), 1045-04 (Aqualung Usa, Inc).

What NSN replaces 5360-00-779-3398?

There are 4 known substitutes for 5360-00-779-3398: 5331-00-292-8839, 5365-00-464-6804, 5940-00-883-0340 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1045-04?

Key specifications for 1045-04: Inside Diameter: 0.425 INCHES MINIMUM IN; Spring Deflection Rate: 350.000 POUNDS PER INCH NOMINAL LBS; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Material: STEEL COMP 1566 OVERALL. 14 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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