PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6545B230-1Washer,flat

Indal Technologies Inc · NSN 5310-01-283-6667 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-283-6667 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-283-6667. Primary manufacturer part number: 6545B230-1.
Features
  • Washer,flat — FSC 5310
  • Surface Treatment: PASSIVATE OVERALL
  • Material: STEEL COMP 316 OVERALL
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.515 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.063 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 316 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-283-6667, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Indal Technologies Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-283-6667
Primary Part Number6545B230-1
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerIndal Technologies Inc
StatusCANCELLED
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 316 OVERALL
Center Hole Shape StyleROUND
Hole Diameter0.515 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.063 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC ALL TREATMENT RESPONSES OVERALL
Overall Diameter1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5310-00-356-3481 INTERCHANGEABLE
Washer,flat
5950-00-934-073151396 INTERCHANGEABLE
Transformer,audio Frequency
Acumen Electronics, Inc. Dba Triad Magnetics Div Triad Magnetics
5330-01-317-961151396-2 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Haskel International, Llc Dba Haskel International, Llc
2910-01-448-917757145 INTERCHANGEABLE
Filter Body,fluid
Wix Corp
5340-01-488-396851396 INTERCHANGEABLE
Mount,resilient,utility
Tech Products Corp
Cross-Reference Index
Part NumberManufacturer
51396 Gil, Inc. (USA)
51396 M. E. Industries, Inc. (USA)
6545B230-1 PRIMARY Indal Technologies Inc (CAN)
Related Parts
5310-00-356-3481INTERCHANGEABLE
WASHER,FLAT
5950-00-934-0731INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
51396
5330-01-317-9611INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
51396-2
2910-01-448-9177INTERCHANGEABLE
FILTER BODY,FLUID
57145
5340-01-488-3968INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
51396

Frequently Asked Questions

What is NSN 5310-01-283-6667?

NSN 5310-01-283-6667 is a Washer,flat, manufactured by Indal Technologies Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-283-6667?

NSN 5310-01-283-6667 has 3 cross-referenced part numbers: 51396 (Gil, Inc.), 51396 (M. E. Industries, Inc.), 6545B230-1 (Indal Technologies Inc).

What NSN replaces 5310-01-283-6667?

There are 5 known substitutes for 5310-01-283-6667: 5310-00-356-3481, 5950-00-934-0731, 5330-01-317-9611 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6545B230-1?

Key specifications for 6545B230-1: Surface Treatment: PASSIVATE OVERALL; Material: STEEL COMP 316 OVERALL; Center Hole Shape Style: ROUND; Hole Diameter: 0.515 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-283-6667 still in active supply?

NSN 5310-01-283-6667 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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