PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3655Washer,flat

New Haven Mfg Corp · NSN 5310-00-828-0424 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-828-0424 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-828-0424. Primary manufacturer part number: 3655.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Material: WOOL COMP 9R1 OVERALL
  • Peripheral Shape Style: ROUND
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Thickness: 0.125 INCHES NOMINAL IN
  • Hole Diameter: 0.312 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Wool Comp 9r1 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-828-0424, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is New Haven Mfg Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-828-0424
Primary Part Number3655
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNew Haven Mfg Corp
StatusCANCELLED
Center Hole Shape StyleROUND
MaterialWOOL COMP 9R1 OVERALL
Peripheral Shape StyleROUND
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thickness0.125 INCHES NOMINAL IN
Hole Diameter0.312 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.437 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4320-00-019-89413655 INTERCHANGEABLE
Pump Unit,centrifugal
Itt Goulds Pumps, Inc.
6740-00-103-345836-55 INTERCHANGEABLE
Hydromixer,photogra
Pakon Inc Dba Impak Division
5220-00-215-2206 INTERCHANGEABLE
Gage
4730-00-254-62110716-MM5-BB02 INTERCHANGEABLE
Elbow,pipe to Tube
The Shyft Group Usa, Inc Dba the Shyft Group Usa, Inc
4320-00-418-1290 INTERCHANGEABLE
Cylinder,pump
5920-00-835-60133655 INTERCHANGEABLE
Fuseholder,block
Cooper Bussmann, Llc Dba Cooper Industries
5935-00-913-0633HBL-9430A INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
4820-00-959-9865365-5-PL0708B INTERCHANGEABLE
Cartridge,shut-Off Valve
Admiral Valve Llc Dba Cpv Manufacturing
4820-01-060-1225 INTERCHANGEABLE
Cartridge Assembly
4730-01-074-65563655-3/4 INTERCHANGEABLE
Tee,pipe
The Walworth Company
Cross-Reference Index
Part NumberManufacturer
3655 New Haven Mfg Corp (USA)
03655 New Haven Mfg Corp (USA)
Related Parts
4320-00-019-8941INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
3655
6740-00-103-3458INTERCHANGEABLE
HYDROMIXER,PHOTOGRA
36-55
5220-00-215-2206INTERCHANGEABLE
GAGE
4730-00-254-6211INTERCHANGEABLE
ELBOW,PIPE TO TUBE
0716-MM5-BB02
4320-00-418-1290INTERCHANGEABLE
CYLINDER,PUMP
5920-00-835-6013INTERCHANGEABLE
FUSEHOLDER,BLOCK
3655
5935-00-913-0633INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
HBL-9430A
4820-00-959-9865INTERCHANGEABLE
CARTRIDGE,SHUT-OFF VALVE
365-5-PL0708B
4820-01-060-1225INTERCHANGEABLE
CARTRIDGE ASSEMBLY
4730-01-074-6556INTERCHANGEABLE
TEE,PIPE
3655-3/4
4730-01-078-6028INTERCHANGEABLE
CAP,TUBE
3655
5120-01-161-4541INTERCHANGEABLE
BLADE,NUTDRIVER
5120-01-161-4541

Frequently Asked Questions

What is NSN 5310-00-828-0424?

NSN 5310-00-828-0424 is a Washer,flat, manufactured by New Haven Mfg Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-828-0424?

NSN 5310-00-828-0424 has 2 cross-referenced part numbers: 3655 (New Haven Mfg Corp), 03655 (New Haven Mfg Corp).

What NSN replaces 5310-00-828-0424?

There are 12 known substitutes for 5310-00-828-0424: 4320-00-019-8941, 6740-00-103-3458, 5220-00-215-2206 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3655?

Key specifications for 3655: Center Hole Shape Style: ROUND; Material: WOOL COMP 9R1 OVERALL; Peripheral Shape Style: ROUND; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-828-0424 still in active supply?

NSN 5310-00-828-0424 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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