PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11945Washer,special

Westerbeke Corporation · NSN 5310-01-268-5509 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-268-5509 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-268-5509. Primary manufacturer part number: 11945.
Features
  • Washer,special — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Westerbeke Corporation
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,special, cataloged under National Stock Number 5310-01-268-5509, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Westerbeke Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,special
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersWesterbeke Corporation (CAGE 03798)
Technical Specifications
ParameterValue
NSN5310-01-268-5509
Primary Part Number11945
Item NameWasher,special
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWesterbeke Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6685-00-032-731111945 INTERCHANGEABLE
Diaphragm
Honeywell International Inc. Div Aerospace - Torrance
5330-00-291-984211945 INTERCHANGEABLE
Packing Assembly
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5340-00-371-6726HPC146 INTERCHANGEABLE
Clip,retaining
Hubbard M D Spring Co Inc
2925-00-441-8239 INTERCHANGEABLE
Retainer
5945-00-636-546611945 INTERCHANGEABLE
Relay,rotary
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
2530-01-248-2498 INTERCHANGEABLE
Cylinder,hydraulic Brake,master
8920-01-299-259211945 INTERCHANGEABLE
Cereal,oats,puffed
General Mills Inc
5120-01-532-2338 INTERCHANGEABLE
Ratchet Attachment,socket Wrench
Cross-Reference Index
Part NumberManufacturer
11945 PRIMARY Westerbeke Corporation (USA)
Related Parts
6685-00-032-7311INTERCHANGEABLE
DIAPHRAGM
11945
5330-00-291-9842INTERCHANGEABLE
PACKING ASSEMBLY
11945
5340-00-371-6726INTERCHANGEABLE
CLIP,RETAINING
HPC146
2925-00-441-8239INTERCHANGEABLE
RETAINER
5945-00-636-5466INTERCHANGEABLE
RELAY,ROTARY
11945
2530-01-248-2498INTERCHANGEABLE
CYLINDER,HYDRAULIC BRAKE,MASTER
8920-01-299-2592INTERCHANGEABLE
CEREAL,OATS,PUFFED
11945
5120-01-532-2338INTERCHANGEABLE
RATCHET ATTACHMENT,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5310-01-268-5509?

NSN 5310-01-268-5509 is a Washer,special, manufactured by Westerbeke Corporation, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-268-5509?

NSN 5310-01-268-5509 has 1 cross-referenced part number: 11945 (Westerbeke Corporation).

What NSN replaces 5310-01-268-5509?

There are 8 known substitutes for 5310-01-268-5509: 6685-00-032-7311, 5330-00-291-9842, 5340-00-371-6726 and 5 more. Verify interchangeability with system specifications before substitution.

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