PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P403Spring,helical,compression

Weldon Pump Llc · NSN 5360-00-255-4410 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-255-4410 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-255-4410. Primary manufacturer part number: P403.
Features
  • Spring,helical,compression — FSC 5360
  • Inside Diameter: 0.174 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
  • Style Designator: CYLINDRICAL
  • Spring Solid Length: 0.406 INCHES MAXIMUM IN
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Surface Treatment: PASSIVATE OVERALL
  • Spring Free Length: 1.164 INCHES NOMINAL IN
  • Spring Free Outside Diameter: 0.218 INCHES MINIMUM AND 0.233 INCHES MAXIMUM IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-255-4410, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Weldon Pump Llc. Government technical data includes 9 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-255-4410
Primary Part NumberP403
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerWeldon Pump Llc
StatusACTIVE
Inside Diameter0.174 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
Style DesignatorCYLINDRICAL
Spring Solid Length0.406 INCHES MAXIMUM IN
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Surface TreatmentPASSIVATE OVERALL
Spring Free Length1.164 INCHES NOMINAL IN
Spring Free Outside Diameter0.218 INCHES MINIMUM AND 0.233 INCHES MAXIMUM IN
Coil Quantity17
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3120-00-131-7089 INTERCHANGEABLE
Bearing,sleeve
5310-00-333-75398330900 INTERCHANGEABLE
Nut,plain,extended Washer,hexago
U S Army Tank Automotive Command Amsta-Im-Mm
2940-00-541-3503C151A INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
6750-01-165-3517 INTERCHANGEABLE
Film,photographic
4710-01-271-6179 INTERCHANGEABLE
Pipe,plastic
Cross-Reference Index
Part NumberManufacturer
P403 PRIMARY Weldon Pump Llc (USA)
P403 Weldon Tool Co the (USA)
Related Parts
3120-00-131-7089INTERCHANGEABLE
BEARING,SLEEVE
5310-00-333-7539INTERCHANGEABLE
NUT,PLAIN,EXTENDED WASHER,HEXAGO
8330900
2940-00-541-3503INTERCHANGEABLE
FILTER ELEMENT,FLUID
C151A
6750-01-165-3517INTERCHANGEABLE
FILM,PHOTOGRAPHIC
4710-01-271-6179INTERCHANGEABLE
PIPE,PLASTIC

Frequently Asked Questions

What is NSN 5360-00-255-4410?

NSN 5360-00-255-4410 is a Spring,helical,compression, manufactured by Weldon Pump Llc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-255-4410?

NSN 5360-00-255-4410 has 2 cross-referenced part numbers: P403 (Weldon Pump Llc), P403 (Weldon Tool Co the).

What NSN replaces 5360-00-255-4410?

There are 5 known substitutes for 5360-00-255-4410: 3120-00-131-7089, 5310-00-333-7539, 2940-00-541-3503 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P403?

Key specifications for P403: Inside Diameter: 0.174 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN; Style Designator: CYLINDRICAL; Spring Solid Length: 0.406 INCHES MAXIMUM IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS. 9 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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