PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

254-1Washer,lock

Heathkit Co Inc Dba Heathkit Educational Systems · NSN 5310-01-147-5362 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-147-5362 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-147-5362. Primary manufacturer part number: 254-1.
Features
  • Washer,lock — FSC 5310
  • Purchase Description Identification: 88273-MODEL ET-3400
  • Style Designator: FLAT EXTERNAL TEETH
  • Outside Diameter: 0.375 INCHES NOMINAL IN
  • Material Thickness: 0.022 INCHES NOMINAL IN
  • Hole Diameter: 0.142 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Heathkit Co Inc Dba Heathkit Educational Systems
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-147-5362, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Heathkit Co Inc Dba Heathkit Educational Systems. Government technical data includes 5 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-147-5362
Primary Part Number254-1
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHeathkit Co Inc Dba Heathkit Educational Systems
StatusACTIVE
Purchase Description Identification88273-MODEL ET-3400
Style DesignatorFLAT EXTERNAL TEETH
Outside Diameter0.375 INCHES NOMINAL IN
Material Thickness0.022 INCHES NOMINAL IN
Hole Diameter0.142 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-045-4007NASM35338-41 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5975-00-269-34942541 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
6110-00-295-2752 INTERCHANGEABLE
Panel,power Distribution
5360-00-312-5286254-1 INTERCHANGEABLE
Spring,helical,extension
Ward Leonard Ct Llc
2010-00-362-68192-541 INTERCHANGEABLE
Cover,bearing
Hatch & Kirk, Inc.
5340-00-602-06622541 INTERCHANGEABLE
Latch,rim
Emhart Industries Inc Corbin Cabinet Lock Hardware Div
5340-00-961-73022541 INTERCHANGEABLE
Shield,expansion
Powers Fasteners, Inc.
5940-00-983-6115 INTERCHANGEABLE
Terminal Board
2510-01-065-58082541 INTERCHANGEABLE
Shock Absorber,direct Action
Itt Enidine Inc. Dba Itt Enidine Inc
6130-01-193-77932541-1 INTERCHANGEABLE
Inverter,power,static
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
254-1 PRIMARY Heathkit Co Inc Dba Heathkit Educational Systems (USA)
Related Parts
5310-00-045-4007INTERCHANGEABLE
WASHER,LOCK
NASM35338-41
5975-00-269-3494INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2541
6110-00-295-2752INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
5360-00-312-5286INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
254-1
2010-00-362-6819INTERCHANGEABLE
COVER,BEARING
2-541
5340-00-602-0662INTERCHANGEABLE
LATCH,RIM
2541
5340-00-961-7302INTERCHANGEABLE
SHIELD,EXPANSION
2541
5940-00-983-6115INTERCHANGEABLE
TERMINAL BOARD
2510-01-065-5808INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
2541
6130-01-193-7793INTERCHANGEABLE
INVERTER,POWER,STATIC
2541-1
5935-01-218-3815INTERCHANGEABLE
ADAPTER,CONNECTOR
2541
5930-01-296-6806INTERCHANGEABLE
SWITCH,PROXIMITY
2541

Frequently Asked Questions

What is NSN 5310-01-147-5362?

NSN 5310-01-147-5362 is a Washer,lock, manufactured by Heathkit Co Inc Dba Heathkit Educational Systems, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-147-5362?

NSN 5310-01-147-5362 has 1 cross-referenced part number: 254-1 (Heathkit Co Inc Dba Heathkit Educational Systems).

What NSN replaces 5310-01-147-5362?

There are 12 known substitutes for 5310-01-147-5362: 5310-00-045-4007, 5975-00-269-3494, 6110-00-295-2752 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 254-1?

Key specifications for 254-1: Purchase Description Identification: 88273-MODEL ET-3400; Style Designator: FLAT EXTERNAL TEETH; Outside Diameter: 0.375 INCHES NOMINAL IN; Material Thickness: 0.022 INCHES NOMINAL IN. 5 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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