PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X74221-17Washer,lock

Spx Flow Us, Llc Dba Spx Valves & Controls · NSN 5310-01-046-7935 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-046-7935 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-046-7935. Primary manufacturer part number: X74221-17.
Features
  • Washer,lock — FSC 5310
  • Hole Diameter: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
  • Material: STEEL COMP 1060 OVERALL
  • Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Spx Flow Us, Llc Dba Spx Valves & Controls
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1060 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-046-7935, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Spx Flow Us, Llc Dba Spx Valves & Controls. Government technical data includes 3 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-046-7935
Primary Part NumberX74221-17
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSpx Flow Us, Llc Dba Spx Valves & Controls
StatusACTIVE
Hole Diameter0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
MaterialSTEEL COMP 1060 OVERALL
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6625-00-068-84101898 INTERCHANGEABLE
Nut,cap,special
Eaton Aerospace, Llc Dba Jackson South
3455-00-228-5228 INTERCHANGEABLE
Cutter,milling,end
3455-00-228-5295 INTERCHANGEABLE
Cutter,milling,end
3455-00-280-239715446 INTERCHANGEABLE
Cutter,milling,end
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5120-00-540-18985120-00-540-1898 INTERCHANGEABLE
Alignment Tool,electronic Equipm
General Services Administration Federal Supply Service
5940-00-557-9432189-169 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
3455-00-996-957894199 INTERCHANGEABLE
Cutter,milling,end
Jcorps Dba Lashundra Craig
5331-01-169-4572510-015 INTERCHANGEABLE
O-Ring
Kirby Morgan Dive Systems Inc
5950-01-214-420014067 INTERCHANGEABLE
Transformer,power
Magnespec Inc
6750-01-379-6465 INTERCHANGEABLE
Paper,photographic
Cross-Reference Index
Part NumberManufacturer
X74221-17 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
1898 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
Related Parts
6625-00-068-8410INTERCHANGEABLE
NUT,CAP,SPECIAL
1898
3455-00-228-5228INTERCHANGEABLE
CUTTER,MILLING,END
3455-00-228-5295INTERCHANGEABLE
CUTTER,MILLING,END
3455-00-280-2397INTERCHANGEABLE
CUTTER,MILLING,END
15446
5120-00-540-1898INTERCHANGEABLE
ALIGNMENT TOOL,ELECTRONIC EQUIPM
5120-00-540-1898
5940-00-557-9432INTERCHANGEABLE
TERMINAL,LUG
189-169
3455-00-996-9578INTERCHANGEABLE
CUTTER,MILLING,END
94199
5331-01-169-4572INTERCHANGEABLE
O-RING
510-015
5950-01-214-4200INTERCHANGEABLE
TRANSFORMER,POWER
14067
6750-01-379-6465INTERCHANGEABLE
PAPER,PHOTOGRAPHIC
3460-01-613-7910INTERCHANGEABLE
ARBOR,DRILL CHUCK
1898

Frequently Asked Questions

What is NSN 5310-01-046-7935?

NSN 5310-01-046-7935 is a Washer,lock, manufactured by Spx Flow Us, Llc Dba Spx Valves & Controls, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-046-7935?

NSN 5310-01-046-7935 has 2 cross-referenced part numbers: X74221-17 (Spx Flow Us, Llc Dba Spx Valves & Controls), 1898 (Spx Flow Us, Llc Dba Spx Valves & Controls).

What NSN replaces 5310-01-046-7935?

There are 11 known substitutes for 5310-01-046-7935: 6625-00-068-8410, 3455-00-228-5228, 3455-00-228-5295 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X74221-17?

Key specifications for X74221-17: Hole Diameter: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN; Material: STEEL COMP 1060 OVERALL; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 3 total characteristics are documented in the Federal Logistics Information System.

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