PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

401265Washer,saddle

Maremont Corp · NSN 5310-00-311-4304 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-311-4304 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-311-4304. Primary manufacturer part number: 401265.
Features
  • Washer,saddle — FSC 5310
  • Hole Diameter: 0.515 INCHES NOMINAL IN
  • Outside Diameter: 1.250 INCHES NOMINAL IN
  • Thickness at Bolt Hole: 0.0747 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
  • Material: STEEL OVERALL
  • 6 verified cross-references
  • Primary manufacturer: Maremont Corp
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,saddle, cataloged under National Stock Number 5310-00-311-4304, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Maremont Corp. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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
NSN5310-00-311-4304
Primary Part Number401265
Item NameWasher,saddle
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMaremont Corp
StatusCANCELLED
Hole Diameter0.515 INCHES NOMINAL IN
Outside Diameter1.250 INCHES NOMINAL IN
Thickness at Bolt Hole0.0747 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5310-00-038-2877 INTERCHANGEABLE
Washer,flat
4030-00-926-06205103249 INTERCHANGEABLE
Swaging Sleeve,wire Rope
Esco Corporation
5999-01-015-3901 INTERCHANGEABLE
Mounting Pad,electrical-Electron
5910-01-033-17692-4147 INTERCHANGEABLE
Capacitor
Eldec Aerospace Corp
6110-01-211-470824147.11-1 INTERCHANGEABLE
Controller,motor
Ward Leonard Ct Llc
7520-01-336-285724-147 INTERCHANGEABLE
Marker,tube Type
Avery Dennison Corporation Dba Avery Dennison, Fastener Division Div Avery Dennison - Fastener Division
4820-01-445-796824147 INTERCHANGEABLE
Body,valve
Air-Lock, Incorporated
6130-01-552-7039371-026 INTERCHANGEABLE
Power Supply
Datalux Corporation
6105-01-718-302224147 INTERCHANGEABLE
Motor,alternating Current
Dover Corp Groen Div
Cross-Reference Index
Part NumberManufacturer
401265 PRIMARY Maremont Corp (USA)
11A18040B Ford Motor Company (USA)
336453 White Motor Corp (USA)
11A18040B Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
371026 White Motor Corp (USA)
24147 Checker Motors Corporation (USA)
Related Parts
5310-00-038-2877INTERCHANGEABLE
WASHER,FLAT
4030-00-926-0620INTERCHANGEABLE
SWAGING SLEEVE,WIRE ROPE
5103249
5999-01-015-3901INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
5910-01-033-1769INTERCHANGEABLE
CAPACITOR
2-4147
6110-01-211-4708INTERCHANGEABLE
CONTROLLER,MOTOR
24147.11-1
7520-01-336-2857INTERCHANGEABLE
MARKER,TUBE TYPE
24-147
4820-01-445-7968INTERCHANGEABLE
BODY,VALVE
24147
6130-01-552-7039INTERCHANGEABLE
POWER SUPPLY
371-026
6105-01-718-3022INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
24147

Frequently Asked Questions

What is NSN 5310-00-311-4304?

NSN 5310-00-311-4304 is a Washer,saddle, manufactured by Maremont Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-311-4304?

NSN 5310-00-311-4304 has 6 cross-referenced part numbers: 401265 (Maremont Corp), 11A18040B (Ford Motor Company), 336453 (White Motor Corp), 11A18040B (Ford Motor Co Ford Parts and Service Div Government Part Sales), 371026 (White Motor Corp) and 1 more.

What NSN replaces 5310-00-311-4304?

There are 9 known substitutes for 5310-00-311-4304: 5310-00-038-2877, 4030-00-926-0620, 5999-01-015-3901 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 401265?

Key specifications for 401265: Hole Diameter: 0.515 INCHES NOMINAL IN; Outside Diameter: 1.250 INCHES NOMINAL IN; Thickness at Bolt Hole: 0.0747 INCHES NOMINAL IN; Surface Treatment: CADMIUM OVERALL. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-311-4304 still in active supply?

NSN 5310-00-311-4304 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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