PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54277Washer,flat

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5310-00-736-2687 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-736-2687 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-736-2687. Primary manufacturer part number: 54277.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.250 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC OVERALL
  • Material Document and Classification: AMS 3204 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Overall Diameter: 0.625 INCHES NOMINAL IN
  • Thickness: 0.031 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-736-2687, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 8 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-736-2687
Primary Part Number54277
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Hole Diameter0.250 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC OVERALL
Material Document and ClassificationAMS 3204 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Overall Diameter0.625 INCHES NOMINAL IN
Thickness0.031 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-00-810-61951H6248 INTERCHANGEABLE
O-Ring
Fisher Controls Co Inc
5950-00-841-75405427-7 INTERCHANGEABLE
Transformer,power
Raytheon Company Div Rmd Strategic
5930-01-216-513654277 INTERCHANGEABLE
Switch,liquid Level
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
54277 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
5331-00-810-6195INTERCHANGEABLE
O-RING
1H6248
5950-00-841-7540INTERCHANGEABLE
TRANSFORMER,POWER
5427-7
5930-01-216-5136INTERCHANGEABLE
SWITCH,LIQUID LEVEL
54277

Frequently Asked Questions

What is NSN 5310-00-736-2687?

NSN 5310-00-736-2687 is a Washer,flat, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-736-2687?

NSN 5310-00-736-2687 has 1 cross-referenced part number: 54277 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5310-00-736-2687?

There are 3 known substitutes for 5310-00-736-2687: 5331-00-810-6195, 5950-00-841-7540, 5930-01-216-5136. Verify interchangeability with system specifications before substitution.

What are the specifications of 54277?

Key specifications for 54277: Hole Diameter: 0.250 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC OVERALL; Material Document and Classification: AMS 3204 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Overall Diameter: 0.625 INCHES NOMINAL IN. 8 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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