PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

326329Washer,lock

Brp Us Inc · NSN 5310-00-121-8375 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-121-8375 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-121-8375. Primary manufacturer part number: 326329.
Features
  • Washer,lock — FSC 5310
  • Style Designator: FLAT INTERNAL TEETH
  • Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Outside Diameter: 0.945 INCHES MINIMUM AND 0.965 INCHES MAXIMUM IN
  • Material: STEEL COMP 410 OVERALL
  • Hole Diameter: 0.640 INCHES MINIMUM AND 0.659 INCHES MAXIMUM IN
  • Material Thickness: 0.045 INCHES NOMINAL IN
  • 3 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 410 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-121-8375, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-121-8375
Primary Part Number326329
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBrp Us Inc
StatusACTIVE
Style DesignatorFLAT INTERNAL TEETH
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter0.945 INCHES MINIMUM AND 0.965 INCHES MAXIMUM IN
MaterialSTEEL COMP 410 OVERALL
Hole Diameter0.640 INCHES MINIMUM AND 0.659 INCHES MAXIMUM IN
Material Thickness0.045 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3120-00-661-90267411163 INTERCHANGEABLE
Bearing,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
307237 Outboard Marine Corp Johnson Motors Div (USA)
326329 Outboard Marine Corp Johnson Motors Div (USA)
326329 PRIMARY Brp Us Inc (USA)
Related Parts
3120-00-661-9026INTERCHANGEABLE
BEARING,SLEEVE
7411163

Frequently Asked Questions

What is NSN 5310-00-121-8375?

NSN 5310-00-121-8375 is a Washer,lock, manufactured by Brp Us Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-121-8375?

NSN 5310-00-121-8375 has 3 cross-referenced part numbers: 307237 (Outboard Marine Corp Johnson Motors Div), 326329 (Outboard Marine Corp Johnson Motors Div), 326329 (Brp Us Inc).

What NSN replaces 5310-00-121-8375?

There is 1 known substitute for 5310-00-121-8375: 3120-00-661-9026. Verify interchangeability with system specifications before substitution.

What are the specifications of 326329?

Key specifications for 326329: Style Designator: FLAT INTERNAL TEETH; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.945 INCHES MINIMUM AND 0.965 INCHES MAXIMUM IN; Material: STEEL COMP 410 OVERALL. 6 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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