PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

304A15Washer,shouldered and Recessed

Cummins Power Generation Inc. · NSN 5310-00-851-6255 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-851-6255 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-851-6255. Primary manufacturer part number: 304A15.
Features
  • Washer,shouldered and Recessed — FSC 5310
  • Hole Diameter: 0.219 INCHES NOMINAL IN
  • Style Designator: SHOULDERED AND RECESSED
  • Shoulder Diameter: 0.500 INCHES NOMINAL IN
  • Outside Diameter: 0.750 INCHES NOMINAL IN
  • Shoulder Height: 0.047 INCHES NOMINAL IN
  • Recess Angle: 67.0 DEGREES NOMINAL
  • Material Thickness: 0.0229 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-00-851-6255, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Power Generation Inc.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-851-6255
Primary Part Number304A15
Item NameWasher,shouldered and Recessed
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCummins Power Generation Inc.
StatusACTIVE
Hole Diameter0.219 INCHES NOMINAL IN
Style DesignatorSHOULDERED AND RECESSED
Shoulder Diameter0.500 INCHES NOMINAL IN
Outside Diameter0.750 INCHES NOMINAL IN
Shoulder Height0.047 INCHES NOMINAL IN
Recess Angle67.0 DEGREES NOMINAL
Material Thickness0.0229 INCHES NOMINAL IN
Surface TreatmentZINC AND CHROMATE OVERALL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2910-00-358-4843447851C1 INTERCHANGEABLE
Jet,metering
Dressta North America Ltd
4810-01-592-6661100981 INTERCHANGEABLE
Valve,solenoid
Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
4810-01-592-6946201154 INTERCHANGEABLE
Repair Kit,solenoid Valve
Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
4810-01-592-6976252033 INTERCHANGEABLE
Repair Kit,solenoid Valve
Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
4810-01-592-6982201133 INTERCHANGEABLE
Repair Kit,solenoid Valve
Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
4810-01-592-6988202074 INTERCHANGEABLE
Repair Kit,solenoid Valve
Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
4810-01-592-6999202292 INTERCHANGEABLE
Repair Kit,solenoid Valve
Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
4810-01-614-5138205327 INTERCHANGEABLE
Parts Kit,solenoid Valve
Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
Cross-Reference Index
Part NumberManufacturer
304A15 PRIMARY Cummins Power Generation Inc. (USA)
304-0015 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
2910-00-358-4843INTERCHANGEABLE
JET,METERING
447851C1
4810-01-592-6661INTERCHANGEABLE
VALVE,SOLENOID
100981
4810-01-592-6946INTERCHANGEABLE
REPAIR KIT,SOLENOID VALVE
201154
4810-01-592-6976INTERCHANGEABLE
REPAIR KIT,SOLENOID VALVE
252033
4810-01-592-6982INTERCHANGEABLE
REPAIR KIT,SOLENOID VALVE
201133
4810-01-592-6988INTERCHANGEABLE
REPAIR KIT,SOLENOID VALVE
202074
4810-01-592-6999INTERCHANGEABLE
REPAIR KIT,SOLENOID VALVE
202292
4810-01-614-5138INTERCHANGEABLE
PARTS KIT,SOLENOID VALVE
205327

Frequently Asked Questions

What is NSN 5310-00-851-6255?

NSN 5310-00-851-6255 is a Washer,shouldered and Recessed, manufactured by Cummins Power Generation Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-851-6255?

NSN 5310-00-851-6255 has 2 cross-referenced part numbers: 304A15 (Cummins Power Generation Inc.), 304-0015 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5310-00-851-6255?

There are 8 known substitutes for 5310-00-851-6255: 2910-00-358-4843, 4810-01-592-6661, 4810-01-592-6946 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 304A15?

Key specifications for 304A15: Hole Diameter: 0.219 INCHES NOMINAL IN; Style Designator: SHOULDERED AND RECESSED; Shoulder Diameter: 0.500 INCHES NOMINAL IN; Outside Diameter: 0.750 INCHES NOMINAL IN. 9 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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