PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-13-5Washer,lock

Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. · NSN 5310-00-165-8404 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-165-8404 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-165-8404. Primary manufacturer part number: 20-13-5.
Features
  • Washer,lock — FSC 5310
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Outside Diameter: 0.625 INCHES MAXIMUM IN
  • Hole Diameter: 0.281 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material Thickness: 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-165-8404, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-165-8404
Primary Part Number20-13-5
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCrane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
StatusACTIVE
Style DesignatorSPLIT HELICAL-RIGHT HAND
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Outside Diameter0.625 INCHES MAXIMUM IN
Hole Diameter0.281 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Material Thickness0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5306-00-168-638520-135 INTERCHANGEABLE
Bolt,carriage
General Dynamics Mission Systems, Inc. Dba Gdms
5940-00-267-694932054-0171 INTERCHANGEABLE
Terminal,lug
Honeywell International Inc Dba Honeywell
3020-00-272-3243 INTERCHANGEABLE
Gear,spur
5120-00-337-0933 INTERCHANGEABLE
Drive,worm Gear,boiler Tube
5330-00-375-4861 INTERCHANGEABLE
Gasket
5330-00-411-028420135 INTERCHANGEABLE
Seal,plain
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
5940-00-579-2079571-257 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
5930-00-600-3076 INTERCHANGEABLE
Switch,gang
5330-00-758-069520125 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5998-01-034-408320135 INTERCHANGEABLE
Circuit Card Assembly
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
Cross-Reference Index
Part NumberManufacturer
53101658404 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
20-13-5 PRIMARY Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
Related Parts
5306-00-168-6385INTERCHANGEABLE
BOLT,CARRIAGE
20-135
5940-00-267-6949INTERCHANGEABLE
TERMINAL,LUG
32054-0171
3020-00-272-3243INTERCHANGEABLE
GEAR,SPUR
5120-00-337-0933INTERCHANGEABLE
DRIVE,WORM GEAR,BOILER TUBE
5330-00-375-4861INTERCHANGEABLE
GASKET
5330-00-411-0284INTERCHANGEABLE
SEAL,PLAIN
20135
5940-00-579-2079INTERCHANGEABLE
TERMINAL,LUG
571-257
5930-00-600-3076INTERCHANGEABLE
SWITCH,GANG
5330-00-758-0695INTERCHANGEABLE
SEAL,PLAIN ENCASED
20125
5998-01-034-4083INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
20135
5315-01-058-0918INTERCHANGEABLE
PIN,STRAIGHT,HEADED
2520-01-116-3412INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR

Frequently Asked Questions

What is NSN 5310-00-165-8404?

NSN 5310-00-165-8404 is a Washer,lock, manufactured by Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-165-8404?

NSN 5310-00-165-8404 has 2 cross-referenced part numbers: 53101658404 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 20-13-5 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.).

What NSN replaces 5310-00-165-8404?

There are 12 known substitutes for 5310-00-165-8404: 5306-00-168-6385, 5940-00-267-6949, 3020-00-272-3243 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-13-5?

Key specifications for 20-13-5: Style Designator: SPLIT HELICAL-RIGHT HAND; Material: STEEL OVERALL; Surface Treatment: CADMIUM OVERALL; Outside Diameter: 0.625 INCHES MAXIMUM IN. 7 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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