PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40417Washer,flat

General Motors Corp · NSN 5310-00-275-6634 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-275-6634 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-275-6634. Primary manufacturer part number: 40417.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 1.281 INCHES NOMINAL IN
  • Overall Diameter: 2.438 INCHES NOMINAL IN
  • Thickness: 0.031 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-275-6634, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-275-6634
Primary Part Number40417
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusCANCELLED
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter1.281 INCHES NOMINAL IN
Overall Diameter2.438 INCHES NOMINAL IN
Thickness0.031 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
3455-00-272-985612720 INTERCHANGEABLE
Cutter,milling,angle
Niagara Cutter Inc
5310-00-912-5205 INTERCHANGEABLE
Nut,plain,cone Seat,hexagon
4820-01-170-7065565-01 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-170-7083564-01 INTERCHANGEABLE
Guide,piston,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-183-460540417 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4710-01-327-6087 INTERCHANGEABLE
Tube and Fittings,metallic
4940-01-337-463640417 INTERCHANGEABLE
Power,frame
Tritan Corp
4820-01-424-261140417-002 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-424-2673299-06 INTERCHANGEABLE
Stem,fluid Valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40417 General Motors Corp (USA)
2175236 Euclid Inc (USA)
40417 General Motors Llc Dba General Motors Llc (USA)
F1084 Eaton Corp (USA)
40417 Terex Corp (USA)
Related Parts
3455-00-272-9856INTERCHANGEABLE
CUTTER,MILLING,ANGLE
12720
5310-00-912-5205INTERCHANGEABLE
NUT,PLAIN,CONE SEAT,HEXAGON
4820-01-170-7065INTERCHANGEABLE
SEAT,VALVE
565-01
4820-01-170-7083INTERCHANGEABLE
GUIDE,PISTON,VALVE
564-01
4820-01-183-4605INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40417
4710-01-327-6087INTERCHANGEABLE
TUBE AND FITTINGS,METALLIC
4940-01-337-4636INTERCHANGEABLE
POWER,FRAME
40417
4820-01-424-2611INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40417-002
4820-01-424-2673INTERCHANGEABLE
STEM,FLUID VALVE
299-06

Frequently Asked Questions

What is NSN 5310-00-275-6634?

NSN 5310-00-275-6634 is a Washer,flat, manufactured by General Motors Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-275-6634?

NSN 5310-00-275-6634 has 5 cross-referenced part numbers: 40417 (General Motors Corp), 2175236 (Euclid Inc), 40417 (General Motors Llc Dba General Motors Llc), F1084 (Eaton Corp), 40417 (Terex Corp).

What NSN replaces 5310-00-275-6634?

There are 9 known substitutes for 5310-00-275-6634: 3455-00-272-9856, 5310-00-912-5205, 4820-01-170-7065 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40417?

Key specifications for 40417: Cross-Sectional Shape Style: RECTANGULAR; Hole Diameter: 1.281 INCHES NOMINAL IN; Overall Diameter: 2.438 INCHES NOMINAL IN; Thickness: 0.031 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-275-6634 still in active supply?

NSN 5310-00-275-6634 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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