PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D6-4Washer,spring Tension

Roller Bearing Co of America, Inc Div Pic Design · NSN 5310-00-805-4389 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-805-4389 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-805-4389. Primary manufacturer part number: D6-4.
Features
  • Washer,spring Tension — FSC 5310
  • Material Thickness: 0.006 INCHES MINIMUM AND 0.010 INCHES MAXIMUM IN
  • Hole Diameter: 0.435 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN
  • Material Document and Classification: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
  • Material: STEEL COMP 302 AND STEEL COMP 303 OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Outside Diameter: 0.612 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN
  • 2 verified cross-references
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 5310-00-805-4389, 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 6 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-805-4389
Primary Part NumberD6-4
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
Material Thickness0.006 INCHES MINIMUM AND 0.010 INCHES MAXIMUM IN
Hole Diameter0.435 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN
Material Document and ClassificationQQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
MaterialSTEEL COMP 302 AND STEEL COMP 303 OVERALL
Surface TreatmentPASSIVATE OVERALL
Outside Diameter0.612 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3120-00-468-0997BS4-1372PC13 INTERCHANGEABLE
Bearing,sleeve
Circor Naval Solutions Llc Dba Warren Pumps
5331-00-805-2966MS28778-4 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5895-01-037-1043CA19323-001 INTERCHANGEABLE
Synthesizer,electrical Frequency
Moog Inc Div Moog Inc., Space and Defense - Salt Lake City
Cross-Reference Index
Part NumberManufacturer
P21338-001-01 Us Army Aviation and Missile Command (USA)
D6-4 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
Related Parts
3120-00-468-0997INTERCHANGEABLE
BEARING,SLEEVE
BS4-1372PC13
5331-00-805-2966INTERCHANGEABLE
O-RING
MS28778-4
5895-01-037-1043INTERCHANGEABLE
SYNTHESIZER,ELECTRICAL FREQUENCY
CA19323-001

Frequently Asked Questions

What is NSN 5310-00-805-4389?

NSN 5310-00-805-4389 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 5310-00-805-4389?

NSN 5310-00-805-4389 has 2 cross-referenced part numbers: P21338-001-01 (Us Army Aviation and Missile Command), D6-4 (Roller Bearing Co of America, Inc Div Pic Design).

What NSN replaces 5310-00-805-4389?

There are 3 known substitutes for 5310-00-805-4389: 3120-00-468-0997, 5331-00-805-2966, 5895-01-037-1043. Verify interchangeability with system specifications before substitution.

What are the specifications of D6-4?

Key specifications for D6-4: Material Thickness: 0.006 INCHES MINIMUM AND 0.010 INCHES MAXIMUM IN; Hole Diameter: 0.435 INCHES MINIMUM AND 0.445 INCHES MAXIMUM IN; Material Document and Classification: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL; Material: STEEL COMP 302 AND STEEL COMP 303 OVERALL. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-805-4389 still in active supply?

NSN 5310-00-805-4389 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.
PartsTable Design LLC · partstable.com