PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS20002C5Washer,recessed

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-595-7078 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-595-7078 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-595-7078. Primary manufacturer part number: MS20002C5.
Features
  • Washer,recessed — FSC 5310
  • Style Designator: RECESSED
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL COMP 1330 OR STEEL COMP 4130 OVERALL
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Recess Angle: 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM
  • Hole Diameter: 0.315 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1330 or Steel Comp 4130 Overall construction
General Description

The Washer,recessed, cataloged under National Stock Number 5310-00-595-7078, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 11 manufacturers, 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
NSN5310-00-595-7078
Primary Part NumberMS20002C5
Item NameWasher,recessed
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Style DesignatorRECESSED
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL COMP 1330 OR STEEL COMP 4130 OVERALL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Recess Angle89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM
Hole Diameter0.315 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN
Recess Diameter0.396 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
Outside Diameter0.583 INCHES MINIMUM AND 0.603 INCHES MAXIMUM IN
Specification/standard Data80205-NAS143 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Material Thickness0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5310-00-149-9116MS20002C8 INTERCHANGEABLE
Washer,recessed
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
2520-01-154-8007126229B INTERCHANGEABLE
Adaptor Beam End
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
MS20002C5 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
938.75.11.102 Pilatus Aircraft Ltd (CHE)
21140-33 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
5310005957078 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
21835 FIND 49 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21073 FIND 29 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
NAS143-5C National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
21317 FIND 42 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21342 FIND 46 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21817 FIND 32 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21260-30 Naval Sea Systems Command (USA)
NASM20002-C5 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS20002C5 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
21340 FIND 34 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21837 FIND 43 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
8147985 Us Army Aviation and Missile Command (USA)
21331 FIND 29 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
52103 FIND 53 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
52122 FIND 53 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
MS20002C5 Leonardo Uk Ltd (GBR)
Related Parts
5310-00-149-9116INTERCHANGEABLE
WASHER,RECESSED
MS20002C8
2520-01-154-8007INTERCHANGEABLE
ADAPTOR BEAM END
126229B

Frequently Asked Questions

What is NSN 5310-00-595-7078?

NSN 5310-00-595-7078 is a Washer,recessed, 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 5310-00-595-7078?

NSN 5310-00-595-7078 has 26 cross-referenced part numbers: MS20002C5 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 938.75.11.102 (Pilatus Aircraft Ltd), 21140-33 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 5310005957078 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 21835 FIND 49 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace) and 21 more.

What NSN replaces 5310-00-595-7078?

There are 2 known substitutes for 5310-00-595-7078: 5310-00-149-9116, 2520-01-154-8007. Verify interchangeability with system specifications before substitution.

What are the specifications of MS20002C5?

Key specifications for MS20002C5: Style Designator: RECESSED; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material: STEEL COMP 1330 OR STEEL COMP 4130 OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-595-7078 still in active supply?

NSN 5310-00-595-7078 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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