PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9118Washer,flat

Cooper Bussmann, Llc Dba Cooper Industries · NSN 5310-01-576-4400 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-576-4400 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-576-4400. Primary manufacturer part number: 9118.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.752 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Material: COPPER OVERALL
  • Surface Treatment: ZINC OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.328 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-576-4400, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-576-4400
Primary Part Number9118
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCooper Bussmann, Llc Dba Cooper Industries
StatusACTIVE
Overall Diameter0.752 INCHES NOMINAL IN
Peripheral Shape StyleROUND
MaterialCOPPER OVERALL
Surface TreatmentZINC OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Hole Diameter0.328 INCHES NOMINAL IN
Thickness0.040 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-144-8940 INTERCHANGEABLE
Bearing,ball,annular
3040-00-397-92719118 INTERCHANGEABLE
Shaft,straight
Cummins Inc.
4730-00-419-04513908-1 1-2IN INTERCHANGEABLE
Cap,hose
The Walworth Company
5365-00-897-29289118 INTERCHANGEABLE
Shim Set
Moog Inc. Dba Ampac-Isp Corp
4820-01-153-1436 INTERCHANGEABLE
Seat,valve
5930-01-173-29119118 INTERCHANGEABLE
Switch,push
Cole Hersee Company
5995-01-466-29621813645-2 INTERCHANGEABLE
Ribbon Cable
Northrop Grumman Systems Corporation
2540-01-554-861785116399 INTERCHANGEABLE
Blade,windshield Wiper
Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations
5340-01-581-1196911-8 INTERCHANGEABLE
Seal,antipilferage
Alta Max Llc Dba Alta Max Llc
3610-01-625-61989118 INTERCHANGEABLE
Cutter,paper,guillotine
Acco Brands Corp
Cross-Reference Index
Part NumberManufacturer
9118 PRIMARY Cooper Bussmann, Llc Dba Cooper Industries (USA)
Related Parts
3110-00-144-8940INTERCHANGEABLE
BEARING,BALL,ANNULAR
3040-00-397-9271INTERCHANGEABLE
SHAFT,STRAIGHT
9118
4730-00-419-0451INTERCHANGEABLE
CAP,HOSE
3908-1 1-2IN
5365-00-897-2928INTERCHANGEABLE
SHIM SET
9118
4820-01-153-1436INTERCHANGEABLE
SEAT,VALVE
5930-01-173-2911INTERCHANGEABLE
SWITCH,PUSH
9118
5995-01-466-2962INTERCHANGEABLE
RIBBON CABLE
1813645-2
2540-01-554-8617INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
85116399
5340-01-581-1196INTERCHANGEABLE
SEAL,ANTIPILFERAGE
911-8
3610-01-625-6198INTERCHANGEABLE
CUTTER,PAPER,GUILLOTINE
9118
5120-01-665-8792INTERCHANGEABLE
WRENCH,OPEN END AND SPANNER,COMB

Frequently Asked Questions

What is NSN 5310-01-576-4400?

NSN 5310-01-576-4400 is a Washer,flat, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-576-4400?

NSN 5310-01-576-4400 has 1 cross-referenced part number: 9118 (Cooper Bussmann, Llc Dba Cooper Industries).

What NSN replaces 5310-01-576-4400?

There are 11 known substitutes for 5310-01-576-4400: 3110-00-144-8940, 3040-00-397-9271, 4730-00-419-0451 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9118?

Key specifications for 9118: Overall Diameter: 0.752 INCHES NOMINAL IN; Peripheral Shape Style: ROUND; Material: COPPER OVERALL; Surface Treatment: ZINC 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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