PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66114Washer,flat

Briggs and Stratton Corp · NSN 5310-00-291-4555 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-291-4555 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-291-4555. Primary manufacturer part number: 66114.
Features
  • Washer,flat — FSC 5310
  • Material: CELLULOSE OVERALL
  • Overall Diameter: 1.250 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 0.391 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Thickness: 0.062 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Cellulose Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-291-4555, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Briggs and Stratton Corp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-291-4555
Primary Part Number66114
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBriggs and Stratton Corp
StatusCANCELLED
MaterialCELLULOSE OVERALL
Overall Diameter1.250 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.391 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Thickness0.062 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5835-00-113-59804154 INTERCHANGEABLE
Recorder Subassembly
The Bechdon Company, Llc
5120-00-230-3670 INTERCHANGEABLE
Screwdriver,flat Tip
5970-00-441-963330F1436 INTERCHANGEABLE
Insulator,bushing
Newark Electronics Corporation Dba Newark
5310-00-637-4390 INTERCHANGEABLE
Washer,flat
1420-00-961-51234154 INTERCHANGEABLE
Ring,seal
Eaton Aerospace, Llc Dba Jackson South
5307-00-963-59014154 INTERCHANGEABLE
Stud,eccentric Coup
Wakmann Watch Company Inc
5835-01-061-6874 INTERCHANGEABLE
Reproducer,sound
5120-01-147-7881 INTERCHANGEABLE
Wrench,open End
4720-01-168-193127044 INTERCHANGEABLE
Tubing,nonmetallic
Gates Corporation
3120-01-221-1803N27044 INTERCHANGEABLE
Bushing,sleeve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
60G183-395 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
66114 PRIMARY Briggs and Stratton Corp (USA)
27044 PRIMARY Briggs and Stratton Corp (USA)
41-54 Outboard Marine Corp Johnson Motors Div (USA)
Related Parts
5835-00-113-5980INTERCHANGEABLE
RECORDER SUBASSEMBLY
4154
5120-00-230-3670INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
5970-00-441-9633INTERCHANGEABLE
INSULATOR,BUSHING
30F1436
5310-00-637-4390INTERCHANGEABLE
WASHER,FLAT
1420-00-961-5123INTERCHANGEABLE
RING,SEAL
4154
5307-00-963-5901INTERCHANGEABLE
STUD,ECCENTRIC COUP
4154
5835-01-061-6874INTERCHANGEABLE
REPRODUCER,SOUND
5120-01-147-7881INTERCHANGEABLE
WRENCH,OPEN END
4720-01-168-1931INTERCHANGEABLE
TUBING,NONMETALLIC
27044
3120-01-221-1803INTERCHANGEABLE
BUSHING,SLEEVE
N27044
6680-01-400-2904INTERCHANGEABLE
GAGE ROD,LIQUID LEVEL
4154
4820-01-409-0801INTERCHANGEABLE
VALVE,BALL

Frequently Asked Questions

What is NSN 5310-00-291-4555?

NSN 5310-00-291-4555 is a Washer,flat, manufactured by Briggs and Stratton Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-291-4555?

NSN 5310-00-291-4555 has 4 cross-referenced part numbers: 60G183-395 (U S Army Tank Automotive Command Amsta-Im-Mm), 66114 (Briggs and Stratton Corp), 27044 (Briggs and Stratton Corp), 41-54 (Outboard Marine Corp Johnson Motors Div).

What NSN replaces 5310-00-291-4555?

There are 12 known substitutes for 5310-00-291-4555: 5835-00-113-5980, 5120-00-230-3670, 5970-00-441-9633 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66114?

Key specifications for 66114: Material: CELLULOSE OVERALL; Overall Diameter: 1.250 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Hole Diameter: 0.391 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-291-4555 still in active supply?

NSN 5310-00-291-4555 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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