PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19315-3Washer,spring Tension

Defense & Development Enterprises Llc · NSN 5310-00-685-8237 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-685-8237 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-685-8237. Primary manufacturer part number: 19315-3.
Features
  • Washer,spring Tension — FSC 5310
  • Hole Diameter: 0.404 INCHES MINIMUM AND 0.408 INCHES MAXIMUM IN
  • Material: STEEL COMP 1095 OVERALL
  • Style Designator: SPRING TENSION
  • Material Thickness: 0.018 INCHES NOMINAL IN
  • Outside Diameter: 0.600 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
  • Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
  • Material Document and Classification: MIL-S-7947,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
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 5310-00-685-8237, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Defense & Development Enterprises Llc. Government technical data includes 7 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-685-8237
Primary Part Number19315-3
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDefense & Development Enterprises Llc
StatusACTIVE
Hole Diameter0.404 INCHES MINIMUM AND 0.408 INCHES MAXIMUM IN
MaterialSTEEL COMP 1095 OVERALL
Style DesignatorSPRING TENSION
Material Thickness0.018 INCHES NOMINAL IN
Outside Diameter0.600 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
Hardness Rating50.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Material Document and ClassificationMIL-S-7947,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6240-00-265-65371H7027 INTERCHANGEABLE
Lamp,incandescent
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
19315-3 Defense & Development Enterprises Llc (USA)
19315-3 Triumph Thermal Systems - Maryland, Inc. (USA)
Related Parts
6240-00-265-6537INTERCHANGEABLE
LAMP,INCANDESCENT
1H7027

Frequently Asked Questions

What is NSN 5310-00-685-8237?

NSN 5310-00-685-8237 is a Washer,spring Tension, manufactured by Defense & Development Enterprises Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-685-8237?

NSN 5310-00-685-8237 has 2 cross-referenced part numbers: 19315-3 (Defense & Development Enterprises Llc), 19315-3 (Triumph Thermal Systems - Maryland, Inc.).

What NSN replaces 5310-00-685-8237?

There is 1 known substitute for 5310-00-685-8237: 6240-00-265-6537. Verify interchangeability with system specifications before substitution.

What are the specifications of 19315-3?

Key specifications for 19315-3: Hole Diameter: 0.404 INCHES MINIMUM AND 0.408 INCHES MAXIMUM IN; Material: STEEL COMP 1095 OVERALL; Style Designator: SPRING TENSION; Material Thickness: 0.018 INCHES NOMINAL IN. 8 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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