PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN960C4LWasher,flat

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-584-3782 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-584-3782 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-584-3782. Primary manufacturer part number: AN960C4L.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: STEEL CORROSION RESISTING OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL
  • Material Document and Classification: MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
  • Hole Diameter: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Thickness: 0.006 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting or Steel Comp 321 or Steel Comp 347 or Steel Comp 348 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-584-3782, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 9 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
NSN5310-00-584-3782
Primary Part NumberAN960C4L
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Cross-Sectional Shape StyleRECTANGULAR
MaterialSTEEL CORROSION RESISTING OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL
Material Document and ClassificationMIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
Hole Diameter0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Thickness0.006 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE OVERALL
Overall Diameter0.257 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN
Departure From Cited DesignatorAS MODIFIED BY FINISH AND OUTSIDE DIA
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5310-00-595-6425 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
AN960C4L Zf Industrieantriebe Witten Gmbh (DEU)
945723-2041 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
AN960C4L PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
004-003081-010 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
5310PL1369299 Jednolity Indeks Materialowy - Uniform Material Index (POL)
153-0013-003 The Boeing Company Div Legacy Boeing Hb1 (USA)
4197410-025 Raytheon Company Div Rmd Strategic (USA)
411R641H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
5310PL0139707 Jednolity Indeks Materialowy - Uniform Material Index (POL)
001-5188-019 Leach International Corp Div Leach International Corporation (USA)
8190903 Us Army Aviation and Missile Command (USA)
4197410-25 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5310-00-595-6425INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-00-584-3782?

NSN 5310-00-584-3782 is a Washer,flat, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-584-3782?

NSN 5310-00-584-3782 has 12 cross-referenced part numbers: AN960C4L (Zf Industrieantriebe Witten Gmbh), 945723-2041 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), AN960C4L (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 004-003081-010 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), 5310PL1369299 (Jednolity Indeks Materialowy - Uniform Material Index) and 7 more.

What NSN replaces 5310-00-584-3782?

There is 1 known substitute for 5310-00-584-3782: 5310-00-595-6425. Verify interchangeability with system specifications before substitution.

What are the specifications of AN960C4L?

Key specifications for AN960C4L: Cross-Sectional Shape Style: RECTANGULAR; Material: STEEL CORROSION RESISTING OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL; Material Document and Classification: MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL; Hole Diameter: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-584-3782 still in active supply?

NSN 5310-00-584-3782 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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