PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66122HWasher,flat

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · NSN 5310-00-867-3570 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-867-3570 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-867-3570. Primary manufacturer part number: 66122H.
Features
  • Washer,flat — FSC 5310
  • 2 verified cross-references
  • Primary manufacturer: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-867-3570, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,flat
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersLpd Enterprises (CAGE 0R5Z5); Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (CAGE 76364)
Technical Specifications
ParameterValue
NSN5310-00-867-3570
Primary Part Number66122H
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
9320-00-222-2566 INTERCHANGEABLE
Rubber Sheet,solid
Cross-Reference Index
Part NumberManufacturer
66122-H Lpd Enterprises (USA)
66122H PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
Related Parts
9320-00-222-2566INTERCHANGEABLE
RUBBER SHEET,SOLID

Frequently Asked Questions

What is NSN 5310-00-867-3570?

NSN 5310-00-867-3570 is a Washer,flat, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-867-3570?

NSN 5310-00-867-3570 has 2 cross-referenced part numbers: 66122-H (Lpd Enterprises), 66122H (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).

What NSN replaces 5310-00-867-3570?

There is 1 known substitute for 5310-00-867-3570: 9320-00-222-2566. Verify interchangeability with system specifications before substitution.

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