PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST-3Washer,spring Tension

W. M. Berg, Inc. · NSN 5310-01-129-0615 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-129-0615 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-129-0615. Primary manufacturer part number: ST-3.
Features
  • Washer,spring Tension — FSC 5310
  • Material Thickness: 0.011 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Style Designator: SPRING TENSION
  • Outside Diameter: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
  • Hole Diameter: 0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: W. M. Berg, Inc.
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 5310-01-129-0615, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is W. M. Berg, Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-129-0615
Primary Part NumberST-3
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerW. M. Berg, Inc.
StatusACTIVE
Material Thickness0.011 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
Style DesignatorSPRING TENSION
Outside Diameter0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
Hole Diameter0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-293-9028SM3-6A INTERCHANGEABLE
Bearing,roller,rod End
Rexnord Industries, Llc Div Aerosspace Bearing Operation
5930-00-557-98017561K4 INTERCHANGEABLE
Switch,toggle
Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit
5120-00-701-6716ST3 INTERCHANGEABLE
Tube Seating Tool
Aar Allen Services, Inc Dba Aar Component Services Wellington
5340-00-826-9333S53 INTERCHANGEABLE
Plunger,quick Release
Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier
5975-00-885-1949 INTERCHANGEABLE
Box Connector,electrical
5998-01-094-3159 INTERCHANGEABLE
Circuit Card Assembly
3439-01-104-3393ST-4 INTERCHANGEABLE
Stand,soldering Iron Miniature
M.m. Newman Corp
4910-01-466-0581 INTERCHANGEABLE
Maaler,temperatur,o
3439-01-576-4159 INTERCHANGEABLE
Tip,electric Soldering Iron
Cross-Reference Index
Part NumberManufacturer
ST-3 W. M. Berg, Inc. (USA)
Related Parts
3110-00-293-9028INTERCHANGEABLE
BEARING,ROLLER,ROD END
SM3-6A
5930-00-557-9801INTERCHANGEABLE
SWITCH,TOGGLE
7561K4
5120-00-701-6716INTERCHANGEABLE
TUBE SEATING TOOL
ST3
5340-00-826-9333INTERCHANGEABLE
PLUNGER,QUICK RELEASE
S53
5975-00-885-1949INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5998-01-094-3159INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3439-01-104-3393INTERCHANGEABLE
STAND,SOLDERING IRON MINIATURE
ST-4
4910-01-466-0581INTERCHANGEABLE
MAALER,TEMPERATUR,O
3439-01-576-4159INTERCHANGEABLE
TIP,ELECTRIC SOLDERING IRON

Frequently Asked Questions

What is NSN 5310-01-129-0615?

NSN 5310-01-129-0615 is a Washer,spring Tension, manufactured by W. M. Berg, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-129-0615?

NSN 5310-01-129-0615 has 1 cross-referenced part number: ST-3 (W. M. Berg, Inc.).

What NSN replaces 5310-01-129-0615?

There are 9 known substitutes for 5310-01-129-0615: 3110-00-293-9028, 5930-00-557-9801, 5120-00-701-6716 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ST-3?

Key specifications for ST-3: Material Thickness: 0.011 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN; Overall Height: 0.025 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING OVERALL; Style Designator: SPRING TENSION. 6 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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