PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D33-4Washer,spring Tension

Roller Bearing Co of America, Inc Div Pic Design · NSN 5310-01-159-8570 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-159-8570 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-159-8570. Primary manufacturer part number: D33-4.
Features
  • Washer,spring Tension — FSC 5310
  • Hole Diameter: 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
  • Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material Thickness: 0.007 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN
  • Outside Diameter: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
  • Material: STEEL COMP 302 OVERALL
  • Surface Treatment Document and Classification: 186,CODE 216 MIL STD SINGLE TREATMENT RESPONSE OVERALL
  • Surface Treatment: PASSIVATE 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 5310-01-159-8570, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-159-8570
Primary Part NumberD33-4
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
Hole Diameter0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
Material Document and ClassificationQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Material Thickness0.007 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN
Outside Diameter0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
MaterialSTEEL COMP 302 OVERALL
Surface Treatment Document and Classification186,CODE 216 MIL STD SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5945-00-238-69198341 INTERCHANGEABLE
Relay,electromagnetic
Electro Switch Corp. Dba Electro Switch Corp
Cross-Reference Index
Part NumberManufacturer
SU-4 Zf Industrieantriebe Witten Gmbh (DEU)
11574618 Us Army Aviation and Missile Command (USA)
D33-4 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
L11574618 Us Army Aviation and Missile Command (USA)
1903 Allied Devices Corp Dba Absolute Precision Co (USA)
SU-4 W. M. Berg, Inc. (USA)
Related Parts
5945-00-238-6919INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
8341

Frequently Asked Questions

What is NSN 5310-01-159-8570?

NSN 5310-01-159-8570 is a Washer,spring Tension, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-159-8570?

NSN 5310-01-159-8570 has 6 cross-referenced part numbers: SU-4 (Zf Industrieantriebe Witten Gmbh), 11574618 (Us Army Aviation and Missile Command), D33-4 (Roller Bearing Co of America, Inc Div Pic Design), L11574618 (Us Army Aviation and Missile Command), 1903 (Allied Devices Corp Dba Absolute Precision Co) and 1 more.

What NSN replaces 5310-01-159-8570?

There is 1 known substitute for 5310-01-159-8570: 5945-00-238-6919. Verify interchangeability with system specifications before substitution.

What are the specifications of D33-4?

Key specifications for D33-4: Hole Diameter: 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN; Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material Thickness: 0.007 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN; Outside Diameter: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-159-8570 still in active supply?

NSN 5310-01-159-8570 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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