PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-27143-APART2Washer,flat

Mecs, Inc. Div Elessent Clean Technologies · NSN 5310-01-585-9275 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-585-9275 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-585-9275. Primary manufacturer part number: B-27143-APART2.
Features
  • Washer,flat — FSC 5310
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 2 verified cross-references
  • Primary manufacturer: Mecs, Inc. Div Elessent Clean Technologies
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-585-9275, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mecs, Inc. Div Elessent Clean Technologies. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-585-9275
Primary Part NumberB-27143-APART2
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMecs, Inc. Div Elessent Clean Technologies
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-531-9515 INTERCHANGEABLE
Washer,flat
5310-01-463-8926AN960C416 INTERCHANGEABLE
Washer,flat,aircraf
Rolls Royce Corp
Cross-Reference Index
Part NumberManufacturer
B-27143-APART2 Mecs, Inc. Div Elessent Clean Technologies (USA)
AN960-C416 Mecs, Inc. Div Elessent Clean Technologies (USA)
Related Parts
5310-00-531-9515INTERCHANGEABLE
WASHER,FLAT
5310-01-463-8926INTERCHANGEABLE
WASHER,FLAT,AIRCRAF
AN960C416

Frequently Asked Questions

What is NSN 5310-01-585-9275?

NSN 5310-01-585-9275 is a Washer,flat, manufactured by Mecs, Inc. Div Elessent Clean Technologies, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-585-9275?

NSN 5310-01-585-9275 has 2 cross-referenced part numbers: B-27143-APART2 (Mecs, Inc. Div Elessent Clean Technologies), AN960-C416 (Mecs, Inc. Div Elessent Clean Technologies).

What NSN replaces 5310-01-585-9275?

There are 2 known substitutes for 5310-01-585-9275: 5310-00-531-9515, 5310-01-463-8926. Verify interchangeability with system specifications before substitution.

What are the specifications of B-27143-APART2?

Key specifications for B-27143-APART2: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 2 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