PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3660Washer,flat

New Haven Mfg Corp · NSN 5310-00-828-0426 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-828-0426 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-828-0426. Primary manufacturer part number: 3660.
Features
  • Washer,flat — FSC 5310
  • Material: HAIR OVERALL
  • Material Document and Classification: SAEF50 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Center Hole Shape Style: ROUND
  • Thickness: 0.093 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Hair Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-828-0426, 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
NSN5310-00-828-0426
Primary Part Number3660
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNew Haven Mfg Corp
StatusCANCELLED
MaterialHAIR OVERALL
Material Document and ClassificationSAEF50 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Center Hole Shape StyleROUND
Thickness0.093 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.375 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Hole Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6670-00-364-1565 INTERCHANGEABLE
Scale,weighing
6615-00-433-3513 INTERCHANGEABLE
Geartrain Synchroni
3030-00-528-4735 INTERCHANGEABLE
Belt,v
5945-00-649-8530 INTERCHANGEABLE
Relay,electromagnetic
3510-00-689-7168 INTERCHANGEABLE
Liner,laundry Cart
9540-00-892-2356 INTERCHANGEABLE
Angle,structural
4510-01-014-0063091-0160 INTERCHANGEABLE
Water Closet
Wallace-Murray Corp Eljer Plumbingware Div Vitreous China Plant
6750-01-066-99203660 INTERCHANGEABLE
Plate,photographic
Horizons Incorporated Div Imaging Systems Group
5950-01-082-2086642AS0615 INTERCHANGEABLE
Transformer,power
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5950-01-280-108211811 INTERCHANGEABLE
Transformer,power
Sora Power Inc. Dba Sigma Division
Cross-Reference Index
Part NumberManufacturer
3660 New Haven Mfg Corp (USA)
03660 New Haven Mfg Corp (USA)
Related Parts
6670-00-364-1565INTERCHANGEABLE
SCALE,WEIGHING
6615-00-433-3513INTERCHANGEABLE
GEARTRAIN SYNCHRONI
3030-00-528-4735INTERCHANGEABLE
BELT,V
5945-00-649-8530INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
3510-00-689-7168INTERCHANGEABLE
LINER,LAUNDRY CART
9540-00-892-2356INTERCHANGEABLE
ANGLE,STRUCTURAL
4510-01-014-0063INTERCHANGEABLE
WATER CLOSET
091-0160
6750-01-066-9920INTERCHANGEABLE
PLATE,PHOTOGRAPHIC
3660
5950-01-082-2086INTERCHANGEABLE
TRANSFORMER,POWER
642AS0615
5950-01-280-1082INTERCHANGEABLE
TRANSFORMER,POWER
11811
6150-01-307-0254INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
03560.63.07
2040-01-329-0501INTERCHANGEABLE
FENDER,MARINE
3055

Frequently Asked Questions

What is NSN 5310-00-828-0426?

NSN 5310-00-828-0426 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 5310-00-828-0426?

NSN 5310-00-828-0426 has 2 cross-referenced part numbers: 3660 (New Haven Mfg Corp), 03660 (New Haven Mfg Corp).

What NSN replaces 5310-00-828-0426?

There are 12 known substitutes for 5310-00-828-0426: 6670-00-364-1565, 6615-00-433-3513, 3030-00-528-4735 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3660?

Key specifications for 3660: Material: HAIR OVERALL; Material Document and Classification: SAEF50 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Center Hole Shape Style: ROUND; Thickness: 0.093 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-828-0426 still in active supply?

NSN 5310-00-828-0426 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.
PartsTable Design LLC · partstable.com