PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33893Washer,lock

Fastenal Company Dba Fastenal Co · NSN 5310-01-564-3533 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-564-3533 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-564-3533. Primary manufacturer part number: 33893.
Features
  • Washer,lock — FSC 5310
  • Hole Diameter: 0.377 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: ASTM B695 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL OVERALL
  • Material Thickness: 0.094 INCHES MINIMUM IN
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Surface Treatment: ZINC OVERALL
  • Material Document and Classification: SAE J404 4037 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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 5310-01-564-3533, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-564-3533
Primary Part Number33893
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Hole Diameter0.377 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationASTM B695 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL OVERALL
Material Thickness0.094 INCHES MINIMUM IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
Surface TreatmentZINC OVERALL
Material Document and ClassificationSAE J404 4037 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter0.680 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5961-00-088-8792 INTERCHANGEABLE
Semiconductor Device,diode
1680-00-732-014933893 INTERCHANGEABLE
Sleeve,load Limit S
Aerocontrolex Group, Inc. Div Talley Actuators
4820-01-165-38443389-3 INTERCHANGEABLE
Gland Assembly,valve
Flowserve Corporation Div Flowserve Us Inc
6550-01-487-6919CT0036B INTERCHANGEABLE
Test,susceptibility,nitrofuranto
Remel Inc.
4730-01-514-1071040127031D INTERCHANGEABLE
Strainer Body,sediment
Tate Andale, Llc
5310-01-597-917155000405 INTERCHANGEABLE
Washer,lock
General Dynamics Ordnance and Tactical Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
33893 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
5961-00-088-8792INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1680-00-732-0149INTERCHANGEABLE
SLEEVE,LOAD LIMIT S
33893
4820-01-165-3844INTERCHANGEABLE
GLAND ASSEMBLY,VALVE
3389-3
6550-01-487-6919INTERCHANGEABLE
TEST,SUSCEPTIBILITY,NITROFURANTO
CT0036B
4730-01-514-1071INTERCHANGEABLE
STRAINER BODY,SEDIMENT
040127031D
5310-01-597-9171INTERCHANGEABLE
WASHER,LOCK
55000405

Frequently Asked Questions

What is NSN 5310-01-564-3533?

NSN 5310-01-564-3533 is a Washer,lock, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-564-3533?

NSN 5310-01-564-3533 has 1 cross-referenced part number: 33893 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5310-01-564-3533?

There are 6 known substitutes for 5310-01-564-3533: 5961-00-088-8792, 1680-00-732-0149, 4820-01-165-3844 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33893?

Key specifications for 33893: Part Name Assigned by Controlling Agency: WASHER, LOCK; Hole Diameter: 0.377 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM B695 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Material: STEEL OVERALL. 10 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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