PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G289598-2Washer,lock

American Telephone and Telegraph Co · NSN 5310-00-198-3724 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-198-3724 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-198-3724. Primary manufacturer part number: G289598-2.
Features
  • Washer,lock — FSC 5310
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: 1 STYLE AND A CLASS
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Hole Diameter: 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Surface Treatment: CADMIUM OVERALL
  • Material Thickness: 0.025 INCHES MINIMUM AND 0.031 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 5310-00-198-3724, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American Telephone and Telegraph Co. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-198-3724
Primary Part NumberG289598-2
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAmerican Telephone and Telegraph Co
StatusCANCELLED
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data1 STYLE AND A CLASS
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Hole Diameter0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
Surface TreatmentCADMIUM OVERALL
Material Thickness0.025 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Material Document and ClassificationFED STD 66,AISI C1060 THRU C1080 OR SAE 1060 THRU 1080 FED STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter0.239 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5310-00-045-4007NASM35338-41 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5950-00-049-8428 INTERCHANGEABLE
Coil,radio Frequency
5315-00-252-298571198 INTERCHANGEABLE
Pin,straight,headless
Manitowoc Engineering Co Division of the Manitowoc Co Inc
4320-00-480-191110444 INTERCHANGEABLE
Sleeve,shaft,pump
Rps-Fl, Inc. Dba Rps Inc
5930-00-548-747210444 INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Electro Switch Corp
5325-00-598-142810445 INTERCHANGEABLE
Ring,retaining
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5910-00-648-9081 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
5360-01-329-1856 INTERCHANGEABLE
Spring,helical,compression
9390-01-369-6285907-10444 INTERCHANGEABLE
Tape,reflective
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
5310-01-502-760710-444 INTERCHANGEABLE
Washer,flat
Konrad Marine Inc Div Konrad Marine
Cross-Reference Index
Part NumberManufacturer
G289598-2 American Telephone and Telegraph Co (USA)
4198008-001 Raytheon Company Div Rmd Strategic (USA)
FFW84 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
93618-707 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
HC799G06L Raytheon Company Dba Raytheon Co (USA)
5953020 Tadiran Ltd (ISR)
MECD368613-31 Monmouth Industries Inc (USA)
93618-107 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
310-3260-000 Wrought Washer Mfg., Inc. (USA)
10444 Kleinschmidt Inc (USA)
MS35337-41 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
LW06SCP Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
946151-1060 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
N405P7C6 General Electric Company (USA)
93618-807 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
G289598-2 At and T Co Advanced Technology Systems (USA)
LW06SCP Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA)
Related Parts
5310-00-045-4007INTERCHANGEABLE
WASHER,LOCK
NASM35338-41
5950-00-049-8428INTERCHANGEABLE
COIL,RADIO FREQUENCY
5315-00-252-2985INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
71198
4320-00-480-1911INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
10444
5930-00-548-7472INTERCHANGEABLE
SWITCH,ROTARY
10444
5325-00-598-1428INTERCHANGEABLE
RING,RETAINING
10445
5910-00-648-9081INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
5360-01-329-1856INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
9390-01-369-6285INTERCHANGEABLE
TAPE,REFLECTIVE
907-10444
5310-01-502-7607INTERCHANGEABLE
WASHER,FLAT
10-444

Frequently Asked Questions

What is NSN 5310-00-198-3724?

NSN 5310-00-198-3724 is a Washer,lock, manufactured by American Telephone and Telegraph Co, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-198-3724?

NSN 5310-00-198-3724 has 17 cross-referenced part numbers: G289598-2 (American Telephone and Telegraph Co), 4198008-001 (Raytheon Company Div Rmd Strategic), FFW84 (Federal Specifications Promulgated by General Services Administration Washington DC), 93618-707 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), HC799G06L (Raytheon Company Dba Raytheon Co) and 12 more.

What NSN replaces 5310-00-198-3724?

There are 10 known substitutes for 5310-00-198-3724: 5310-00-045-4007, 5950-00-049-8428, 5315-00-252-2985 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G289598-2?

Key specifications for G289598-2: Material: STEEL OVERALL; Nondefinitive Spec/std Data: 1 STYLE AND A CLASS; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hole Diameter: 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-198-3724 still in active supply?

NSN 5310-00-198-3724 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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