PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100597Washer,flat

Waltham Clock Co Inc · NSN 5310-00-062-1312 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-062-1312 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-062-1312. Primary manufacturer part number: 100597.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.092 INCHES NOMINAL IN
  • Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 302 OVERALL
  • Overall Diameter: 0.171 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-062-1312, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Waltham Clock Co Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-062-1312
Primary Part Number100597
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWaltham Clock Co Inc
StatusACTIVE
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Hole Diameter0.092 INCHES NOMINAL IN
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 302 OVERALL
Overall Diameter0.171 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Thickness0.016 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5340-00-450-4748100597 INTERCHANGEABLE
Cover,access
Woodward Hrt Inc
6645-00-602-5968T40A3932 INTERCHANGEABLE
Meter,time Totalizing
Enm Co
5930-01-122-2197100597 INTERCHANGEABLE
Switch,rotary
Logimetrics Inc
5315-01-144-0336100597 INTERCHANGEABLE
Pin,straight,threaded
American Turbo Systems Inc
Cross-Reference Index
Part NumberManufacturer
100597 Waltham Clock Co Inc (USA)
Related Parts
5340-00-450-4748INTERCHANGEABLE
COVER,ACCESS
100597
6645-00-602-5968INTERCHANGEABLE
METER,TIME TOTALIZING
T40A3932
5930-01-122-2197INTERCHANGEABLE
SWITCH,ROTARY
100597
5315-01-144-0336INTERCHANGEABLE
PIN,STRAIGHT,THREADED
100597

Frequently Asked Questions

What is NSN 5310-00-062-1312?

NSN 5310-00-062-1312 is a Washer,flat, manufactured by Waltham Clock Co Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-062-1312?

NSN 5310-00-062-1312 has 1 cross-referenced part number: 100597 (Waltham Clock Co Inc).

What NSN replaces 5310-00-062-1312?

There are 4 known substitutes for 5310-00-062-1312: 5340-00-450-4748, 6645-00-602-5968, 5930-01-122-2197 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100597?

Key specifications for 100597: Center Hole Shape Style: ROUND; Peripheral Shape Style: ROUND; Hole Diameter: 0.092 INCHES NOMINAL IN; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE 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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