PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9304Washer,flat

Cummins Inc. · NSN 5310-00-363-7122 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-363-7122 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-363-7122. Primary manufacturer part number: 9304.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL COMP 1010 OVERALL
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 2.266 INCHES NOMINAL IN
  • Thickness: 0.062 INCHES NOMINAL IN
  • Hardness Rating: 30.0 ROCKWELL B MINIMUM AND 65.0 ROCKWELL B MAXIMUM
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material Document and Classification: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
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 5310-00-363-7122, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 9 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-363-7122
Primary Part Number9304
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCummins Inc.
StatusACTIVE
MaterialSTEEL COMP 1010 OVERALL
Peripheral Shape StyleROUND
Hole Diameter2.266 INCHES NOMINAL IN
Thickness0.062 INCHES NOMINAL IN
Hardness Rating30.0 ROCKWELL B MINIMUM AND 65.0 ROCKWELL B MAXIMUM
Cross-Sectional Shape StyleRECTANGULAR
Material Document and ClassificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Overall Diameter3.500 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5325-00-249-6350 INTERCHANGEABLE
Grommet,nonmetallic
5950-00-254-3352394148PC4 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
8010-00-597-8225 INTERCHANGEABLE
Stain
7690-00-909-0566 INTERCHANGEABLE
Decal
5305-00-957-70559304 INTERCHANGEABLE
Screw,adjusting
Chicago Steel Tape Co Inc Berger Instruments Co Inc
5910-01-008-87042132080-7 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
Honeywell Intl Inc Defense Avionics Systems
5962-01-012-8155 INTERCHANGEABLE
Microcircuit,digital
5935-01-015-8272 INTERCHANGEABLE
Connector,receptacle,electrical
5950-01-016-02289304 INTERCHANGEABLE
Coil,radio Frequency
Gowanda Holdings, Llc Div Gowanda Electronics Corp.
3455-01-045-4016TABLE 21, D3/4IN INTERCHANGEABLE
Cutter,milling,end
The American Society of Mechanical Engineers
Cross-Reference Index
Part NumberManufacturer
2207-265 William Spencer (USA)
H9304 Cummins Inc. (USA)
9304 PRIMARY Cummins Inc. (USA)
Related Parts
5325-00-249-6350INTERCHANGEABLE
GROMMET,NONMETALLIC
5950-00-254-3352INTERCHANGEABLE
TRANSFORMER,POWER
394148PC4
8010-00-597-8225INTERCHANGEABLE
STAIN
7690-00-909-0566INTERCHANGEABLE
DECAL
5305-00-957-7055INTERCHANGEABLE
SCREW,ADJUSTING
9304
5910-01-008-8704INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
2132080-7
5962-01-012-8155INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5935-01-015-8272INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5950-01-016-0228INTERCHANGEABLE
COIL,RADIO FREQUENCY
9304
3455-01-045-4016INTERCHANGEABLE
CUTTER,MILLING,END
TABLE 21, D3/4IN
5120-01-119-6372INTERCHANGEABLE
ALIGNMENT TOOL,ELECTRONIC EQUIPM
9304-BL1R
6520-01-394-6470INTERCHANGEABLE
IMPRESSION MATERIAL,DENTAL

Frequently Asked Questions

What is NSN 5310-00-363-7122?

NSN 5310-00-363-7122 is a Washer,flat, manufactured by Cummins Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-363-7122?

NSN 5310-00-363-7122 has 3 cross-referenced part numbers: 2207-265 (William Spencer), H9304 (Cummins Inc.), 9304 (Cummins Inc.).

What NSN replaces 5310-00-363-7122?

There are 12 known substitutes for 5310-00-363-7122: 5325-00-249-6350, 5950-00-254-3352, 8010-00-597-8225 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9304?

Key specifications for 9304: Material: STEEL COMP 1010 OVERALL; Peripheral Shape Style: ROUND; Hole Diameter: 2.266 INCHES NOMINAL IN; Thickness: 0.062 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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