PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

510212Washer,flat

Aar Allen Services, Inc Dba Aar Component Services Wellington · NSN 5310-00-183-6309 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-183-6309 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-183-6309. Primary manufacturer part number: 510212.
Features
  • Washer,flat — FSC 5310
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL COMP 302 OVERALL
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Overall Diameter: 1.660 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-183-6309, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aar Allen Services, Inc Dba Aar Component Services Wellington. Government technical data includes 10 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-183-6309
Primary Part Number510212
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAar Allen Services, Inc Dba Aar Component Services Wellington
StatusACTIVE
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL COMP 302 OVERALL
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Overall Diameter1.660 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Thickness0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
Hole Diameter0.385 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
1650-00-034-757151021-2 INTERCHANGEABLE
Cap,case Air Vent F
Fluid Conditioning Products, Inc.
5305-00-993-0191MS35206-212 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4730-01-293-69505102-12 INTERCHANGEABLE
Strainer Element,sediment
Wisco Products Inc
3040-01-339-3669510212G2 INTERCHANGEABLE
Bell Crank
Aimtron Systems, Llc
5930-01-581-0996513505 INTERCHANGEABLE
Switch Section,rotary
Alliance Laundry Systems Llc
5140-01-628-9410 INTERCHANGEABLE
Bag,tool
Cross-Reference Index
Part NumberManufacturer
510212 PRIMARY Aar Allen Services, Inc Dba Aar Component Services Wellington (USA)
Related Parts
1650-00-034-7571INTERCHANGEABLE
CAP,CASE AIR VENT F
51021-2
5305-00-993-0191INTERCHANGEABLE
SCREW,MACHINE
MS35206-212
4730-01-293-6950INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
5102-12
3040-01-339-3669INTERCHANGEABLE
BELL CRANK
510212G2
5930-01-581-0996INTERCHANGEABLE
SWITCH SECTION,ROTARY
513505
5140-01-628-9410INTERCHANGEABLE
BAG,TOOL

Frequently Asked Questions

What is NSN 5310-00-183-6309?

NSN 5310-00-183-6309 is a Washer,flat, manufactured by Aar Allen Services, Inc Dba Aar Component Services Wellington, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-183-6309?

NSN 5310-00-183-6309 has 1 cross-referenced part number: 510212 (Aar Allen Services, Inc Dba Aar Component Services Wellington).

What NSN replaces 5310-00-183-6309?

There are 6 known substitutes for 5310-00-183-6309: 1650-00-034-7571, 5305-00-993-0191, 4730-01-293-6950 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 510212?

Key specifications for 510212: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material: STEEL COMP 302 OVERALL; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: PASSIVATE OVERALL. 10 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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