PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E257-256PC44Spring,helical,compression

Almon Johnson Ltd · NSN 5360-00-316-3261 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-316-3261 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-316-3261. Primary manufacturer part number: E257-256PC44.
Features
  • Spring,helical,compression — FSC 5360
  • Coil Helix Direction: LEFT-HAND
  • Style Designator: CYLINDRICAL
  • Surface Treatment: CADMIUM OVERALL
  • End Style: SPRING END,SQUARED BOTH ENDS
  • Coil Quantity: 6-1/2
  • Inside Diameter: 0.262 INCHES NOMINAL IN
  • Material: STEEL OVERALL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-316-3261, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Almon Johnson Ltd. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5360-00-316-3261
Primary Part NumberE257-256PC44
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerAlmon Johnson Ltd
StatusCANCELLED
Coil Helix DirectionLEFT-HAND
Style DesignatorCYLINDRICAL
Surface TreatmentCADMIUM OVERALL
End StyleSPRING END,SQUARED BOTH ENDS
Coil Quantity6-1/2
Inside Diameter0.262 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Spring Free Outside Diameter0.344 INCHES NOMINAL IN
Spring Solid Length0.2813 INCHES NOMINAL IN
Spring Free Length0.625 INCHES NOMINAL IN
Spring Solid Outside Diameter0.344 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5210-00-233-5474599-9647-15 INTERCHANGEABLE
Blade,thickness Gage
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
Cross-Reference Index
Part NumberManufacturer
667112 Almon Johnson Ltd (USA)
A266-2306 Almon Johnson Ltd (USA)
ATF66S2500-875781PC44 Naval Ship Systems Command (USA)
E257-256PC44 PRIMARY Almon Johnson Ltd (USA)
Related Parts
5210-00-233-5474INTERCHANGEABLE
BLADE,THICKNESS GAGE
599-9647-15

Frequently Asked Questions

What is NSN 5360-00-316-3261?

NSN 5360-00-316-3261 is a Spring,helical,compression, manufactured by Almon Johnson Ltd, classified under FSC 5360 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5360-00-316-3261?

NSN 5360-00-316-3261 has 4 cross-referenced part numbers: 667112 (Almon Johnson Ltd), A266-2306 (Almon Johnson Ltd), ATF66S2500-875781PC44 (Naval Ship Systems Command), E257-256PC44 (Almon Johnson Ltd).

What NSN replaces 5360-00-316-3261?

There is 1 known substitute for 5360-00-316-3261: 5210-00-233-5474. Verify interchangeability with system specifications before substitution.

What are the specifications of E257-256PC44?

Key specifications for E257-256PC44: Coil Helix Direction: LEFT-HAND; Style Designator: CYLINDRICAL; Surface Treatment: CADMIUM OVERALL; End Style: SPRING END,SQUARED BOTH ENDS. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5360-00-316-3261 still in active supply?

NSN 5360-00-316-3261 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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