PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SU-1Washer,spring Tension

W. M. Berg, Inc. · NSN 5310-01-315-3804 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-315-3804 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-315-3804. Primary manufacturer part number: SU-1.
Features
  • Washer,spring Tension — FSC 5310
  • Outside Diameter: 0.235 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
  • Material: STEEL COMP 302 OVERALL
  • Style Designator: SPRING TENSION
  • Material Document and Classification: MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES OVERALL
  • Surface Treatment Document and Classification: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Hole Diameter: 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
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 5310-01-315-3804, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-315-3804
Primary Part NumberSU-1
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerW. M. Berg, Inc.
StatusACTIVE
Outside Diameter0.235 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
MaterialSTEEL COMP 302 OVERALL
Style DesignatorSPRING TENSION
Material Document and ClassificationMIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES OVERALL
Surface Treatment Document and ClassificationASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Hole Diameter0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
Material Thickness0.0050 INCHES MINIMUM AND 0.0070 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3130-00-116-90341735AS431-1 INTERCHANGEABLE
Bearing Unit,ball
Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co
3120-00-288-4371SU1 INTERCHANGEABLE
Bearing,sleeve
Circor Naval Solutions Llc Dba Warren Pumps
6230-01-110-3829ELSQ INTERCHANGEABLE
Floodlight,electric
Lithonia Lighting National Services Industries Inc Div
5310-01-311-0005 INTERCHANGEABLE
Washer,spring Tension
5310-01-330-2353 INTERCHANGEABLE
Washer,spring Tension
5310-01-335-3393 INTERCHANGEABLE
Washer,spring Tension
5310-01-355-0170 INTERCHANGEABLE
Washer,spring Tension
5310-01-355-2705 INTERCHANGEABLE
Washer,spring Tension
5310-01-358-3668 INTERCHANGEABLE
Washer,spring Tension
5310-01-372-0285 INTERCHANGEABLE
Washer,spring Tension
Cross-Reference Index
Part NumberManufacturer
SU-1 W. M. Berg, Inc. (USA)
MIL-W-12133/8 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M12133/8-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3130-00-116-9034INTERCHANGEABLE
BEARING UNIT,BALL
1735AS431-1
3120-00-288-4371INTERCHANGEABLE
BEARING,SLEEVE
SU1
6230-01-110-3829INTERCHANGEABLE
FLOODLIGHT,ELECTRIC
ELSQ
5310-01-311-0005INTERCHANGEABLE
WASHER,SPRING TENSION
5310-01-330-2353INTERCHANGEABLE
WASHER,SPRING TENSION
5310-01-335-3393INTERCHANGEABLE
WASHER,SPRING TENSION
5310-01-355-0170INTERCHANGEABLE
WASHER,SPRING TENSION
5310-01-355-2705INTERCHANGEABLE
WASHER,SPRING TENSION
5310-01-358-3668INTERCHANGEABLE
WASHER,SPRING TENSION
5310-01-372-0285INTERCHANGEABLE
WASHER,SPRING TENSION

Frequently Asked Questions

What is NSN 5310-01-315-3804?

NSN 5310-01-315-3804 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 5310-01-315-3804?

NSN 5310-01-315-3804 has 3 cross-referenced part numbers: SU-1 (W. M. Berg, Inc.), MIL-W-12133/8 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M12133/8-1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-01-315-3804?

There are 10 known substitutes for 5310-01-315-3804: 3130-00-116-9034, 3120-00-288-4371, 6230-01-110-3829 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SU-1?

Key specifications for SU-1: Outside Diameter: 0.235 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN; Material: STEEL COMP 302 OVERALL; Style Designator: SPRING TENSION; Material Document and Classification: MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES OVERALL. 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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