PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5291Washer,flat

Prestolite Electric Inc · NSN 5310-00-365-2102 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-365-2102 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-365-2102. Primary manufacturer part number: 5291.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Thickness: 0.028 INCHES NOMINAL IN
  • Hole Diameter: 0.231 INCHES NOMINAL IN
  • Material: STEEL COMP 1010 OVERALL
  • Center Hole Shape Style: ROUND
  • Surface Treatment: CADMIUM OVERALL
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-365-2102, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Prestolite Electric Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-365-2102
Primary Part Number5291
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusACTIVE
Overall Diameter0.375 INCHES NOMINAL IN
Thickness0.028 INCHES NOMINAL IN
Hole Diameter0.231 INCHES NOMINAL IN
MaterialSTEEL COMP 1010 OVERALL
Center Hole Shape StyleROUND
Surface TreatmentCADMIUM OVERALL
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5945-00-052-6590965214-1 INTERCHANGEABLE
Solenoid,electrical
Parker Hannifin Corporation Div Hydraulic Systems Division
5310-00-167-07008176675 INTERCHANGEABLE
Washer,flat
Us Army Aviation and Missile Command
5120-00-293-0014 INTERCHANGEABLE
Wrench Set,crowfoot,ratcheting
2815-00-393-5460 INTERCHANGEABLE
Guide,valve Stem
6250-00-488-5399856 INTERCHANGEABLE
Lampholder
Bryant Electric
9320-00-555-9727 INTERCHANGEABLE
Rubber Strip
2990-00-810-44131873 INTERCHANGEABLE
Muffler,exhaust
Arvin Industries Inc
5915-01-067-9468 INTERCHANGEABLE
Filter,band Pass
5340-01-504-69358035442 INTERCHANGEABLE
Door Restraint Strap
Jlg Industries, Inc.
5310-01-682-1978 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
104X93 General Electric Company (USA)
99019-08 Cummins Inc. (USA)
Z095005291 Prestolite Electric Inc (USA)
5291 PRIMARY Prestolite Electric Inc (USA)
5291 Prestolite Electric Inc (USA)
Related Parts
5945-00-052-6590INTERCHANGEABLE
SOLENOID,ELECTRICAL
965214-1
5310-00-167-0700INTERCHANGEABLE
WASHER,FLAT
8176675
5120-00-293-0014INTERCHANGEABLE
WRENCH SET,CROWFOOT,RATCHETING
2815-00-393-5460INTERCHANGEABLE
GUIDE,VALVE STEM
6250-00-488-5399INTERCHANGEABLE
LAMPHOLDER
856
9320-00-555-9727INTERCHANGEABLE
RUBBER STRIP
2990-00-810-4413INTERCHANGEABLE
MUFFLER,EXHAUST
1873
5915-01-067-9468INTERCHANGEABLE
FILTER,BAND PASS
5340-01-504-6935INTERCHANGEABLE
DOOR RESTRAINT STRAP
8035442
5310-01-682-1978INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-00-365-2102?

NSN 5310-00-365-2102 is a Washer,flat, manufactured by Prestolite Electric Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-365-2102?

NSN 5310-00-365-2102 has 5 cross-referenced part numbers: 104X93 (General Electric Company), 99019-08 (Cummins Inc.), Z095005291 (Prestolite Electric Inc), 5291 (Prestolite Electric Inc), 5291 (Prestolite Electric Inc).

What NSN replaces 5310-00-365-2102?

There are 10 known substitutes for 5310-00-365-2102: 5945-00-052-6590, 5310-00-167-0700, 5120-00-293-0014 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5291?

Key specifications for 5291: Overall Diameter: 0.375 INCHES NOMINAL IN; Thickness: 0.028 INCHES NOMINAL IN; Hole Diameter: 0.231 INCHES NOMINAL IN; Material: STEEL COMP 1010 OVERALL. 9 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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