PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

306283Washer,flat

Brp Us Inc · NSN 5310-00-138-9785 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-138-9785 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-138-9785. Primary manufacturer part number: 306283.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 1010 OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.869 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
  • Thickness: 0.1196 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-138-9785, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brp Us Inc. Government technical data includes 8 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-138-9785
Primary Part Number306283
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBrp Us Inc
StatusACTIVE
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1010 OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.869 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
Thickness0.1196 INCHES NOMINAL IN
Hole Diameter0.330 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3930-00-359-4163306283 INTERCHANGEABLE
Ring
Mitsubishi Caterpillar Forklift America, Inc
5310-00-761-4240K674580-11 INTERCHANGEABLE
Washer,flat
Kaman Aerospace Corporation Dba Air Vehicles & Mro Division
Cross-Reference Index
Part NumberManufacturer
306283 PRIMARY Brp Us Inc (USA)
306283 Simpson-Lawrence Ltd Johnson and Evi Rude Outboard Motors (GBR)
306283 Outboard Marine Corp Johnson Motors Div (USA)
Related Parts
3930-00-359-4163INTERCHANGEABLE
RING
306283
5310-00-761-4240INTERCHANGEABLE
WASHER,FLAT
K674580-11

Frequently Asked Questions

What is NSN 5310-00-138-9785?

NSN 5310-00-138-9785 is a Washer,flat, manufactured by Brp Us Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-138-9785?

NSN 5310-00-138-9785 has 3 cross-referenced part numbers: 306283 (Brp Us Inc), 306283 (Simpson-Lawrence Ltd Johnson and Evi Rude Outboard Motors), 306283 (Outboard Marine Corp Johnson Motors Div).

What NSN replaces 5310-00-138-9785?

There are 2 known substitutes for 5310-00-138-9785: 3930-00-359-4163, 5310-00-761-4240. Verify interchangeability with system specifications before substitution.

What are the specifications of 306283?

Key specifications for 306283: Center Hole Shape Style: ROUND; Peripheral Shape Style: ROUND; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 1010 OVERALL. 8 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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