PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20558Washer,lock

Funk Mfg Co Sub of Deere and Co · NSN 5310-01-306-4643 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-306-4643 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-306-4643. Primary manufacturer part number: 20558.
Features
  • Washer,lock — FSC 5310
  • 2 verified cross-references
  • Primary manufacturer: Funk Mfg Co Sub of Deere and Co
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-306-4643, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Funk Mfg Co Sub of Deere and Co. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 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)
ManufacturersFunk Mfg Co Sub of Deere and Co (CAGE 96105); Kongsberg Maritime Ltd Div Ras/fas & Naval Deck Machinery (CAGE K0754)
Technical Specifications
ParameterValue
NSN5310-01-306-4643
Primary Part Number20558
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFunk Mfg Co Sub of Deere and Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2915-00-122-661039-10113 INTERCHANGEABLE
Filter Element,fluid
Hydro-Aire Aerospace Corp
3455-00-232-421519800 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
4820-00-289-08531226 INTERCHANGEABLE
Valve,safety Relief
Dante Valve Company
1015-01-229-544220558 INTERCHANGEABLE
Seat
Real-Time Laboratories, Llc
4810-01-379-122120558 INTERCHANGEABLE
Piston,valve
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
5120-01-430-8167 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
4720-01-591-244520558 INTERCHANGEABLE
Hose,preformed
Superior Diesel, Inc.
Cross-Reference Index
Part NumberManufacturer
20558 PRIMARY Funk Mfg Co Sub of Deere and Co (USA)
20558 Kongsberg Maritime Ltd Div Ras/fas & Naval Deck Machinery (GBR)
Related Parts
2915-00-122-6610INTERCHANGEABLE
FILTER ELEMENT,FLUID
39-10113
3455-00-232-4215INTERCHANGEABLE
REAMER,MACHINE
19800
4820-00-289-0853INTERCHANGEABLE
VALVE,SAFETY RELIEF
1226
1015-01-229-5442INTERCHANGEABLE
SEAT
20558
4810-01-379-1221INTERCHANGEABLE
PISTON,VALVE
20558
5120-01-430-8167INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
4720-01-591-2445INTERCHANGEABLE
HOSE,PREFORMED
20558

Frequently Asked Questions

What is NSN 5310-01-306-4643?

NSN 5310-01-306-4643 is a Washer,lock, manufactured by Funk Mfg Co Sub of Deere and Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-306-4643?

NSN 5310-01-306-4643 has 2 cross-referenced part numbers: 20558 (Funk Mfg Co Sub of Deere and Co), 20558 (Kongsberg Maritime Ltd Div Ras/fas & Naval Deck Machinery).

What NSN replaces 5310-01-306-4643?

There are 7 known substitutes for 5310-01-306-4643: 2915-00-122-6610, 3455-00-232-4215, 4820-00-289-0853 and 4 more. Verify interchangeability with system specifications before substitution.

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