PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1565-20460Washer,flat

Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · NSN 5310-01-123-9860 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-123-9860 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-123-9860. Primary manufacturer part number: S1565-20460.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Surface Treatment: CADMIUM OVERALL
  • Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL COMP 4130 OVERALL
  • Material Document and Classification: MIL-S-6758,COND D MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Finish: 100.0 MICROINCHES ALL SURFACES
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4130 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-123-9860, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5310-01-123-9860
Primary Part NumberS1565-20460
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
StatusCANCELLED
Peripheral Shape StyleROUND
Surface TreatmentCADMIUM OVERALL
Surface Treatment Document and ClassificationQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL COMP 4130 OVERALL
Material Document and ClassificationMIL-S-6758,COND D MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface Finish100.0 MICROINCHES ALL SURFACES
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.625 INCHES NOMINAL IN
Thickness0.060 INCHES NOMINAL IN
Hole Diameter0.264 INCHES MINIMUM AND 0.269 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6750-01-388-1506 INTERCHANGEABLE
Film,photographic
Cross-Reference Index
Part NumberManufacturer
S1565-20460 PRIMARY Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
FF-W-92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
84889-1 Hamilton Sundstrand Corporation (USA)
Related Parts
6750-01-388-1506INTERCHANGEABLE
FILM,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 5310-01-123-9860?

NSN 5310-01-123-9860 is a Washer,flat, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-123-9860?

NSN 5310-01-123-9860 has 3 cross-referenced part numbers: S1565-20460 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), FF-W-92 (Federal Specifications Promulgated by General Services Administration Washington DC), 84889-1 (Hamilton Sundstrand Corporation).

What NSN replaces 5310-01-123-9860?

There is 1 known substitute for 5310-01-123-9860: 6750-01-388-1506. Verify interchangeability with system specifications before substitution.

What are the specifications of S1565-20460?

Key specifications for S1565-20460: Peripheral Shape Style: ROUND; Surface Treatment: CADMIUM OVERALL; Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material: STEEL COMP 4130 OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-123-9860 still in active supply?

NSN 5310-01-123-9860 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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