PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70444Washer,flat

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5310-00-443-0069 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-443-0069 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-443-0069. Primary manufacturer part number: 70444.
Features
  • Washer,flat — FSC 5310
  • Surface Treatment: SILVER OVERALL
  • Material: COPPER ALLOY 101 OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.060 INCHES NOMINAL IN
  • Overall Diameter: 0.620 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.260 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 101 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-443-0069, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 9 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-443-0069
Primary Part Number70444
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusCANCELLED
Surface TreatmentSILVER OVERALL
MaterialCOPPER ALLOY 101 OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.060 INCHES NOMINAL IN
Overall Diameter0.620 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Hole Diameter0.260 INCHES NOMINAL IN
Material Document and ClassificationAMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5133-00-266-946811/16 2510/950 INTERCHANGEABLE
Drill,twist
Greenfield Industries Inc
Cross-Reference Index
Part NumberManufacturer
70444 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
1117831-1 Honeywell International, Inc Div Aerospace-Tucson (USA)
Related Parts
5133-00-266-9468INTERCHANGEABLE
DRILL,TWIST
11/16 2510/950

Frequently Asked Questions

What is NSN 5310-00-443-0069?

NSN 5310-00-443-0069 is a Washer,flat, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-443-0069?

NSN 5310-00-443-0069 has 2 cross-referenced part numbers: 70444 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 1117831-1 (Honeywell International, Inc Div Aerospace-Tucson).

What NSN replaces 5310-00-443-0069?

There is 1 known substitute for 5310-00-443-0069: 5133-00-266-9468. Verify interchangeability with system specifications before substitution.

What are the specifications of 70444?

Key specifications for 70444: Surface Treatment: SILVER OVERALL; Material: COPPER ALLOY 101 OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Thickness: 0.060 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-443-0069 still in active supply?

NSN 5310-00-443-0069 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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