PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

373-7020-000Washer,lock

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5310-00-187-8605 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-187-8605 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-187-8605. Primary manufacturer part number: 373-7020-000.
Features
  • Washer,lock — FSC 5310
  • Material Thickness: 0.018 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
  • Style Designator: FLAT EXTERNAL TEETH
  • Hole Diameter: 0.141 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN
  • Outside Diameter: 0.305 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
  • Material: COPPER ALLOY OVERALL
  • 4 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-187-8605, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN5310-00-187-8605
Primary Part Number373-7020-000
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Material Thickness0.018 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Style DesignatorFLAT EXTERNAL TEETH
Hole Diameter0.141 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN
Outside Diameter0.305 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4320-00-336-533610423 INTERCHANGEABLE
Sleeve,shaft,pump
Rps-Fl, Inc. Dba Rps Inc
6615-00-483-124310423 INTERCHANGEABLE
Mounting Pad
Leica Inc Surveying and Photogrammetry Systems Div
5310-00-568-7971 INTERCHANGEABLE
Washer,lock
5905-00-716-24863X5000 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ward Leonard Ct Llc
5935-00-755-58519000S6202-74031PC119 INTERCHANGEABLE
Cover,electrical Connector
Naval Ship Systems Command
5940-01-064-777210-542-3 INTERCHANGEABLE
Terminal,feedthru
Concord Electronics, Inc.
3040-01-104-5119 INTERCHANGEABLE
Shaft,straight
6515-01-139-8113 INTERCHANGEABLE
Bronchoscope Fibe
6505-01-225-949710423 INTERCHANGEABLE
Amitriptyline Hydrochloride Tabl
Goldline Laboratories, Inc. Dba Goldline Laboratories
3110-01-299-8150 INTERCHANGEABLE
Ball,bearing
Cross-Reference Index
Part NumberManufacturer
10423 Kleinschmidt Inc (USA)
180600 Itw Shakeproof Automotive Products (USA)
373-7020-000 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
104-3B6B Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
4320-00-336-5336INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
10423
6615-00-483-1243INTERCHANGEABLE
MOUNTING PAD
10423
5310-00-568-7971INTERCHANGEABLE
WASHER,LOCK
5905-00-716-2486INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
3X5000
5935-00-755-5851INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
9000S6202-74031PC119
5940-01-064-7772INTERCHANGEABLE
TERMINAL,FEEDTHRU
10-542-3
3040-01-104-5119INTERCHANGEABLE
SHAFT,STRAIGHT
6515-01-139-8113INTERCHANGEABLE
BRONCHOSCOPE FIBE
6505-01-225-9497INTERCHANGEABLE
AMITRIPTYLINE HYDROCHLORIDE TABL
10423
3110-01-299-8150INTERCHANGEABLE
BALL,BEARING
6130-01-501-8119INTERCHANGEABLE
POWER SUPPLY
180600

Frequently Asked Questions

What is NSN 5310-00-187-8605?

NSN 5310-00-187-8605 is a Washer,lock, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-187-8605?

NSN 5310-00-187-8605 has 4 cross-referenced part numbers: 10423 (Kleinschmidt Inc), 180600 (Itw Shakeproof Automotive Products), 373-7020-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 104-3B6B (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5310-00-187-8605?

There are 11 known substitutes for 5310-00-187-8605: 4320-00-336-5336, 6615-00-483-1243, 5310-00-568-7971 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 373-7020-000?

Key specifications for 373-7020-000: Material Thickness: 0.018 INCHES NOMINAL IN; Surface Treatment: CADMIUM OVERALL; Style Designator: FLAT EXTERNAL TEETH; Hole Diameter: 0.141 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN. 6 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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