PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12Z3035-433Washer,flat

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5310-00-543-2870 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-543-2870 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-543-2870. Primary manufacturer part number: 12Z3035-433.
Features
  • Washer,flat — FSC 5310
  • Thickness: 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
  • Departure From Cited Designator: AS MODIFIED BY THE MATERIAL SPEC
  • Nondefinitive Spec/std Data: A TYPE AND 1 GRADE AND B CLASS
  • Material: STEEL COMP 410 OVERALL
  • Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Hole Diameter: 0.401 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 410 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-543-2870, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-543-2870
Primary Part Number12Z3035-433
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Thickness0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Departure From Cited DesignatorAS MODIFIED BY THE MATERIAL SPEC
Nondefinitive Spec/std DataA TYPE AND 1 GRADE AND B CLASS
MaterialSTEEL COMP 410 OVERALL
Material Document and ClassificationQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Hole Diameter0.401 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Overall Diameter0.805 INCHES MINIMUM AND 0.827 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-773-7618MS15795-814 INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-465-0900 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
D9576-19A41 Met-Pro Corporation (USA)
419085 Zf Industrieantriebe Witten Gmbh (DEU)
236-1149P23 Zf Industrieantriebe Witten Gmbh (DEU)
12Z3035-433 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
50P00180-0125 Zf Industrieantriebe Witten Gmbh (DEU)
MS15795-314 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
5310005432870 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
50P00180-0125 Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies (USA)
5310PL0790934 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS15795-314 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-773-7618INTERCHANGEABLE
WASHER,FLAT
MS15795-814
5310-01-465-0900INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-00-543-2870?

NSN 5310-00-543-2870 is a Washer,flat, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-543-2870?

NSN 5310-00-543-2870 has 10 cross-referenced part numbers: D9576-19A41 (Met-Pro Corporation), 419085 (Zf Industrieantriebe Witten Gmbh), 236-1149P23 (Zf Industrieantriebe Witten Gmbh), 12Z3035-433 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 50P00180-0125 (Zf Industrieantriebe Witten Gmbh) and 5 more.

What NSN replaces 5310-00-543-2870?

There are 2 known substitutes for 5310-00-543-2870: 5310-00-773-7618, 5310-01-465-0900. Verify interchangeability with system specifications before substitution.

What are the specifications of 12Z3035-433?

Key specifications for 12Z3035-433: Thickness: 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Departure From Cited Designator: AS MODIFIED BY THE MATERIAL SPEC; Nondefinitive Spec/std Data: A TYPE AND 1 GRADE AND B CLASS; Material: STEEL COMP 410 OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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