PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

104-3S2AWasher,lock

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5310-00-193-7636 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-193-7636 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-193-7636. Primary manufacturer part number: 104-3S2A.
Features
  • Washer,lock — FSC 5310
  • Style Designator: FLAT INTERNAL TEETH
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Material Thickness: 0.012 INCHES NOMINAL IN
  • Hole Diameter: 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
  • Outside Diameter: 0.185 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
  • 3 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-193-7636, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5310-00-193-7636
Primary Part Number104-3S2A
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Style DesignatorFLAT INTERNAL TEETH
Surface TreatmentCADMIUM OR ZINC OVERALL
Material Thickness0.012 INCHES NOMINAL IN
Hole Diameter0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
Hardness Rating45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
Outside Diameter0.185 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-293-0048 INTERCHANGEABLE
Pliers,retaining Ring
6350-00-419-44834720092 INTERCHANGEABLE
Annunciator
Aircraft Instruments Co
5136-00-555-8906 INTERCHANGEABLE
Tap,thread Cutting
5310-00-579-1596N404PSC17 INTERCHANGEABLE
Washer,lock
Bae Systems Controls Inc.
5310-00-579-5554MS35333-35 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4730-00-586-3287120-200 INTERCHANGEABLE
Strainer Element,sediment
Marvel Engineering Company Inc
6625-00-649-0945 INTERCHANGEABLE
Voltmeter
5820-01-149-0025 INTERCHANGEABLE
Switching Unit,vide
6515-01-366-970261-5205 INTERCHANGEABLE
Catheter Kit,hysterosalpingograp
Ackrad Laboratories Inc
6750-01-426-9438120-200 INTERCHANGEABLE
Developer,photographic
Molecular Gps Enterprises Dba Clayton Chemical
Cross-Reference Index
Part NumberManufacturer
1202-00 Illinois Tool Works Inc (USA)
613205 Bell and Howell Phillipsburg Co Corporate Offices (USA)
104-3S2A PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
5120-00-293-0048INTERCHANGEABLE
PLIERS,RETAINING RING
6350-00-419-4483INTERCHANGEABLE
ANNUNCIATOR
4720092
5136-00-555-8906INTERCHANGEABLE
TAP,THREAD CUTTING
5310-00-579-1596INTERCHANGEABLE
WASHER,LOCK
N404PSC17
5310-00-579-5554INTERCHANGEABLE
WASHER,LOCK
MS35333-35
4730-00-586-3287INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
120-200
6625-00-649-0945INTERCHANGEABLE
VOLTMETER
5820-01-149-0025INTERCHANGEABLE
SWITCHING UNIT,VIDE
6515-01-366-9702INTERCHANGEABLE
CATHETER KIT,HYSTEROSALPINGOGRAP
61-5205
6750-01-426-9438INTERCHANGEABLE
DEVELOPER,PHOTOGRAPHIC
120-200
6635-01-449-5163INTERCHANGEABLE
X-RAY APPARATUS,RADIOGRAPHIC,IND
120200
6680-01-494-8712INTERCHANGEABLE
INDICATOR,RATE OF FLOW AND CONSU
122-200-00

Frequently Asked Questions

What is NSN 5310-00-193-7636?

NSN 5310-00-193-7636 is a Washer,lock, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-193-7636?

NSN 5310-00-193-7636 has 3 cross-referenced part numbers: 1202-00 (Illinois Tool Works Inc), 613205 (Bell and Howell Phillipsburg Co Corporate Offices), 104-3S2A (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5310-00-193-7636?

There are 12 known substitutes for 5310-00-193-7636: 5120-00-293-0048, 6350-00-419-4483, 5136-00-555-8906 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 104-3S2A?

Key specifications for 104-3S2A: Style Designator: FLAT INTERNAL TEETH; Surface Treatment: CADMIUM OR ZINC OVERALL; Material Thickness: 0.012 INCHES NOMINAL IN; Hole Diameter: 0.089 INCHES MINIMUM AND 0.095 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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