PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E-354-7Washer,flat

Circor Naval Solutions Llc Dba Warren Pumps · NSN 5310-01-148-6721 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-148-6721 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-148-6721. Primary manufacturer part number: E-354-7.
Features
  • Washer,flat — FSC 5310
  • 2 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-148-6721, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. This item has 2 commercial cross-references from 1 manufacturer, 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)
ManufacturersCircor Naval Solutions Llc Dba Warren Pumps (CAGE 63857)
Technical Specifications
ParameterValue
NSN5310-01-148-6721
Primary Part NumberE-354-7
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-00-650-0245E-3547 INTERCHANGEABLE
Diaphragm,valve,flat
King Engineering Corporation Dba King-Gage Systems
Cross-Reference Index
Part NumberManufacturer
148 Circor Naval Solutions Llc Dba Warren Pumps (USA)
E-354-7 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
4820-00-650-0245INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
E-3547

Frequently Asked Questions

What is NSN 5310-01-148-6721?

NSN 5310-01-148-6721 is a Washer,flat, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-148-6721?

NSN 5310-01-148-6721 has 2 cross-referenced part numbers: 148 (Circor Naval Solutions Llc Dba Warren Pumps), E-354-7 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 5310-01-148-6721?

There is 1 known substitute for 5310-01-148-6721: 4820-00-650-0245. Verify interchangeability with system specifications before substitution.

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