PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

215-66Washer,lock

Ingersoll Rand Co Athens Plant · NSN 5310-01-266-8510 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-266-8510 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-266-8510. Primary manufacturer part number: 215-66.
Features
  • Washer,lock — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Ingersoll Rand Co Athens Plant
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-266-8510, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ingersoll Rand Co Athens Plant. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,lock
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersIngersoll Rand Co Athens Plant (CAGE 88174)
Technical Specifications
ParameterValue
NSN5310-01-266-8510
Primary Part Number215-66
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerIngersoll Rand Co Athens Plant
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2920-00-164-3243MA24900G INTERCHANGEABLE
Generator,engine Accessory
Prestolite Electric Inc
6685-00-999-16032156-6 INTERCHANGEABLE
Indicator,humidity,card
Clariant Corp Div Clariant Corporation
5305-01-166-550021566 INTERCHANGEABLE
Screw
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
8145-01-538-3058 INTERCHANGEABLE
Shipping and Storage Container,m
4210-01-610-698621566 INTERCHANGEABLE
Nrp,ext Dual Agent
Amerex Corporation Dba Amerex Corp
Cross-Reference Index
Part NumberManufacturer
215-66 PRIMARY Ingersoll Rand Co Athens Plant (USA)
Related Parts
2920-00-164-3243INTERCHANGEABLE
GENERATOR,ENGINE ACCESSORY
MA24900G
6685-00-999-1603INTERCHANGEABLE
INDICATOR,HUMIDITY,CARD
2156-6
5305-01-166-5500INTERCHANGEABLE
SCREW
21566
8145-01-538-3058INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,M
4210-01-610-6986INTERCHANGEABLE
NRP,EXT DUAL AGENT
21566

Frequently Asked Questions

What is NSN 5310-01-266-8510?

NSN 5310-01-266-8510 is a Washer,lock, manufactured by Ingersoll Rand Co Athens Plant, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-266-8510?

NSN 5310-01-266-8510 has 1 cross-referenced part number: 215-66 (Ingersoll Rand Co Athens Plant).

What NSN replaces 5310-01-266-8510?

There are 5 known substitutes for 5310-01-266-8510: 2920-00-164-3243, 6685-00-999-1603, 5305-01-166-5500 and 2 more. Verify interchangeability with system specifications before substitution.

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