PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

65001915Washer,flat

Waltham Aircraft Clock Corp · NSN 5310-00-343-9507 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-343-9507 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-343-9507. Primary manufacturer part number: 65001915.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.145 INCHES NOMINAL IN
  • Material Document and Classification: 22304 FSCM 79300 MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Thickness: 0.012 INCHES NOMINAL IN
  • Surface Treatment: NICKEL OVERALL
  • Surface Treatment Document and Classification: MIL-P-6859 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: COPPER ALLOY OVERALL
  • Hole Diameter: 0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-343-9507, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Waltham Aircraft Clock Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-343-9507
Primary Part Number65001915
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWaltham Aircraft Clock Corp
StatusACTIVE
Overall Diameter0.145 INCHES NOMINAL IN
Material Document and Classification22304 FSCM 79300 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Thickness0.012 INCHES NOMINAL IN
Surface TreatmentNICKEL OVERALL
Surface Treatment Document and ClassificationMIL-P-6859 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialCOPPER ALLOY OVERALL
Hole Diameter0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-063-72672500-50 INTERCHANGEABLE
Coil,radio Frequency
American Precision Industries Inc.
2810-00-304-4570 INTERCHANGEABLE
Manifold,exhaust
5330-00-471-38482208D420 INTERCHANGEABLE
Gasket
Meritor Industrial Products, Llc
5930-00-784-3278 INTERCHANGEABLE
Switch,sensitive
5330-00-989-222350129-2 INTERCHANGEABLE
Packing with Retainer
Mission Systems Davenport Inc.
5950-01-016-0511L01931 INTERCHANGEABLE
Transformer,power
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5310-01-118-468822304 INTERCHANGEABLE
Washer
Kaydon Custom Filtration Corporation
5950-01-258-051322304 INTERCHANGEABLE
Reactor-Transformer
Ward Leonard Ct Llc
Cross-Reference Index
Part NumberManufacturer
65001915 Waltham Aircraft Clock Corp (USA)
22304 Waltham Aircraft Clock Corp (USA)
65001915 Waltham Clock Co Inc (USA)
22304 Waltham Clock Co Inc (USA)
Related Parts
5950-00-063-7267INTERCHANGEABLE
COIL,RADIO FREQUENCY
2500-50
2810-00-304-4570INTERCHANGEABLE
MANIFOLD,EXHAUST
5330-00-471-3848INTERCHANGEABLE
GASKET
2208D420
5930-00-784-3278INTERCHANGEABLE
SWITCH,SENSITIVE
5330-00-989-2223INTERCHANGEABLE
PACKING WITH RETAINER
50129-2
5950-01-016-0511INTERCHANGEABLE
TRANSFORMER,POWER
L01931
5310-01-118-4688INTERCHANGEABLE
WASHER
22304
5950-01-258-0513INTERCHANGEABLE
REACTOR-TRANSFORMER
22304

Frequently Asked Questions

What is NSN 5310-00-343-9507?

NSN 5310-00-343-9507 is a Washer,flat, manufactured by Waltham Aircraft Clock Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-343-9507?

NSN 5310-00-343-9507 has 4 cross-referenced part numbers: 65001915 (Waltham Aircraft Clock Corp), 22304 (Waltham Aircraft Clock Corp), 65001915 (Waltham Clock Co Inc), 22304 (Waltham Clock Co Inc).

What NSN replaces 5310-00-343-9507?

There are 8 known substitutes for 5310-00-343-9507: 5950-00-063-7267, 2810-00-304-4570, 5330-00-471-3848 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 65001915?

Key specifications for 65001915: Overall Diameter: 0.145 INCHES NOMINAL IN; Material Document and Classification: 22304 FSCM 79300 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Thickness: 0.012 INCHES NOMINAL IN; Surface Treatment: NICKEL OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com