PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-618Washer,lock

Naval Inventory Control Point Mechanicsburg · NSN 5310-01-138-5360 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-138-5360 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-138-5360. Primary manufacturer part number: 20-618.
Features
  • Washer,lock — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Naval Inventory Control Point Mechanicsburg
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-138-5360, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 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)
ManufacturersNaval Inventory Control Point Mechanicsburg (CAGE 03950)
Technical Specifications
ParameterValue
NSN5310-01-138-5360
Primary Part Number20-618
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-178-4739155499D180 INTERCHANGEABLE
Seal,plain Encased
Lidgerwood Manufacturing Company Dba Lidgerwood Manufacturing Co Div Lidgerwood Manufacuring Co
5133-00-227-9650 INTERCHANGEABLE
Drill,twist
6130-00-238-8447 INTERCHANGEABLE
Rectifier,metallic
4720-00-459-691020618 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5310-00-765-3205 INTERCHANGEABLE
Washer,flat
5360-00-911-993720618 INTERCHANGEABLE
Spring,helical,compression
Level 10 Industries, Inc. Div Level 10 Industries
4720-00-942-845820618 INTERCHANGEABLE
Tubing,flexible
Avox Systems Inc Dba Avox Systems Inc
4720-01-129-502720618 INTERCHANGEABLE
Hose Assembly,nonmetallic
Alliance Laundry Systems Llc
5310-01-434-764020618 INTERCHANGEABLE
Nut,plain,hexagon
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
Cross-Reference Index
Part NumberManufacturer
20-618 PRIMARY Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5330-00-178-4739INTERCHANGEABLE
SEAL,PLAIN ENCASED
155499D180
5133-00-227-9650INTERCHANGEABLE
DRILL,TWIST
6130-00-238-8447INTERCHANGEABLE
RECTIFIER,METALLIC
4720-00-459-6910INTERCHANGEABLE
HOSE,PREFORMED
20618
5310-00-765-3205INTERCHANGEABLE
WASHER,FLAT
5360-00-911-9937INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20618
4720-00-942-8458INTERCHANGEABLE
TUBING,FLEXIBLE
20618
4720-01-129-5027INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
20618
5310-01-434-7640INTERCHANGEABLE
NUT,PLAIN,HEXAGON
20618

Frequently Asked Questions

What is NSN 5310-01-138-5360?

NSN 5310-01-138-5360 is a Washer,lock, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-138-5360?

NSN 5310-01-138-5360 has 1 cross-referenced part number: 20-618 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 5310-01-138-5360?

There are 9 known substitutes for 5310-01-138-5360: 5330-00-178-4739, 5133-00-227-9650, 6130-00-238-8447 and 6 more. Verify interchangeability with system specifications before substitution.

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