PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

391271Spring,helical,compression

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5360-00-999-2682 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-999-2682 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-999-2682. Primary manufacturer part number: 391271.
Features
  • Spring,helical,compression — FSC 5360
  • Spring Free Length: 0.824 INCHES NOMINAL IN
  • Bore Diameter: 0.607 INCHES NOMINAL IN
  • Spring Free Outside Diameter: 0.595 INCHES NOMINAL IN
  • Spring Solid Length: 0.400 INCHES NOMINAL IN
  • Coil Helix Direction: LEFT-HAND
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Material: STEEL COMP 631 OVERALL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 631 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-999-2682, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-999-2682
Primary Part Number391271
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Spring Free Length0.824 INCHES NOMINAL IN
Bore Diameter0.607 INCHES NOMINAL IN
Spring Free Outside Diameter0.595 INCHES NOMINAL IN
Spring Solid Length0.400 INCHES NOMINAL IN
Coil Helix DirectionLEFT-HAND
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
MaterialSTEEL COMP 631 OVERALL
Accommodated Rod Diameter0.451 INCHES NOMINAL IN
Coil Quantity6
Style DesignatorCYLINDRICAL
Material Document and ClassificationAMS 5673 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Spring Deflection Rate41.200 POUNDS PER INCH NOMINAL LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-017-9837 INTERCHANGEABLE
Screw,cap,hexagon Head
Cross-Reference Index
Part NumberManufacturer
391271 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
391271 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
391271 Connecticut Spring & Stamping Corporation the Dba Connecticut Spring & Stamping Corp (USA)
391271 Royal Oak Gage, Inc (USA)
Related Parts
5305-00-017-9837INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD

Frequently Asked Questions

What is NSN 5360-00-999-2682?

NSN 5360-00-999-2682 is a Spring,helical,compression, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-999-2682?

NSN 5360-00-999-2682 has 4 cross-referenced part numbers: 391271 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 391271 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 391271 (Connecticut Spring & Stamping Corporation the Dba Connecticut Spring & Stamping Corp), 391271 (Royal Oak Gage, Inc).

What NSN replaces 5360-00-999-2682?

There is 1 known substitute for 5360-00-999-2682: 5305-00-017-9837. Verify interchangeability with system specifications before substitution.

What are the specifications of 391271?

Key specifications for 391271: Spring Free Length: 0.824 INCHES NOMINAL IN; Bore Diameter: 0.607 INCHES NOMINAL IN; Spring Free Outside Diameter: 0.595 INCHES NOMINAL IN; Spring Solid Length: 0.400 INCHES NOMINAL IN. 13 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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