PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

850841Washer,flat

Goodrich Corporation Dba Goodrich Corp · NSN 5310-00-439-4771 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-439-4771 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-439-4771. Primary manufacturer part number: 850841.
Features
  • Washer,flat — FSC 5310
  • Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 1 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Material Document and Classification: MIL-S-7947 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 1095 OVERALL
  • Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1095 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-439-4771, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Goodrich Corporation Dba Goodrich Corp. Government technical data includes 11 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-439-4771
Primary Part Number850841
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGoodrich Corporation Dba Goodrich Corp
StatusCANCELLED
Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 1 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentCADMIUM OVERALL
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Material Document and ClassificationMIL-S-7947 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1095 OVERALL
Hardness Rating40.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM
Thickness0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
Overall Diameter0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Hole Diameter0.265 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
2910-00-214-31132143836 INTERCHANGEABLE
Cylinder Assembly,v
General Motors Llc Dba General Motors Llc
5360-01-177-6959850841 INTERCHANGEABLE
Spring,flat
International Business Machines Corp Parts Order Center Dept E - 54
Cross-Reference Index
Part NumberManufacturer
850841 PRIMARY Goodrich Corporation Dba Goodrich Corp (USA)
Related Parts
2910-00-214-3113INTERCHANGEABLE
CYLINDER ASSEMBLY,V
2143836
5360-01-177-6959INTERCHANGEABLE
SPRING,FLAT
850841

Frequently Asked Questions

What is NSN 5310-00-439-4771?

NSN 5310-00-439-4771 is a Washer,flat, manufactured by Goodrich Corporation Dba Goodrich Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-439-4771?

NSN 5310-00-439-4771 has 1 cross-referenced part number: 850841 (Goodrich Corporation Dba Goodrich Corp).

What NSN replaces 5310-00-439-4771?

There are 2 known substitutes for 5310-00-439-4771: 2910-00-214-3113, 5360-01-177-6959. Verify interchangeability with system specifications before substitution.

What are the specifications of 850841?

Key specifications for 850841: Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 1 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Surface Treatment: CADMIUM OVERALL; Peripheral Shape Style: ROUND; Center Hole Shape Style: ROUND. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-439-4771 still in active supply?

NSN 5310-00-439-4771 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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