PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31519Washer,spring Tension

Purolator Products Co Div Motor Components, Llc · NSN 5310-01-141-2887 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-141-2887 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-141-2887. Primary manufacturer part number: 31519.
Features
  • Washer,spring Tension — FSC 5310
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Material Thickness: 0.013 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
  • Outside Diameter: 0.541 INCHES NOMINAL IN
  • Hole Diameter: 0.275 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Purolator Products Co Div Motor Components, Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Mechanical energy storage
  • Vibration dampening
General Description

The Washer,spring Tension, cataloged under National Stock Number 5310-01-141-2887, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Purolator Products Co Div Motor Components, Llc. Government technical data includes 5 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
NSN5310-01-141-2887
Primary Part Number31519
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPurolator Products Co Div Motor Components, Llc
StatusACTIVE
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Material Thickness0.013 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
Outside Diameter0.541 INCHES NOMINAL IN
Hole Diameter0.275 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5110-00-245-416031.519 INTERCHANGEABLE
File,hand
Grobet File Co of America Inc Dba Grobet Usa
5342-00-804-8699262-130 INTERCHANGEABLE
Mount,resilient,weapon System
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
5340-01-179-192531519 INTERCHANGEABLE
Bracket
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
4810-01-616-5563315-19 INTERCHANGEABLE
Valve,solenoid
Rix Industries
Cross-Reference Index
Part NumberManufacturer
U250-0145 Associated Spring Corp Div of the Barnes Group Inc Dallas Div (USA)
31519 PRIMARY Purolator Products Co Div Motor Components, Llc (USA)
Related Parts
5110-00-245-4160INTERCHANGEABLE
FILE,HAND
31.519
5342-00-804-8699INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
262-130
5340-01-179-1925INTERCHANGEABLE
BRACKET
31519
4810-01-616-5563INTERCHANGEABLE
VALVE,SOLENOID
315-19

Frequently Asked Questions

What is NSN 5310-01-141-2887?

NSN 5310-01-141-2887 is a Washer,spring Tension, manufactured by Purolator Products Co Div Motor Components, Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-141-2887?

NSN 5310-01-141-2887 has 2 cross-referenced part numbers: U250-0145 (Associated Spring Corp Div of the Barnes Group Inc Dallas Div), 31519 (Purolator Products Co Div Motor Components, Llc).

What NSN replaces 5310-01-141-2887?

There are 4 known substitutes for 5310-01-141-2887: 5110-00-245-4160, 5342-00-804-8699, 5340-01-179-1925 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31519?

Key specifications for 31519: Material: STEEL OVERALL; Surface Treatment: CADMIUM OVERALL; Material Thickness: 0.013 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN; Special Features: MADE OF SPRING STEEL;OVAL SHAPED. 7 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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