PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

130331Washer,flat

Telemechanics Inc · NSN 5310-00-611-4886 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-611-4886 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-611-4886. Primary manufacturer part number: 130331.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 0.343 INCHES NOMINAL IN
  • Material: STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: CADMIUM OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1018 or Steel Comp 1020 or Steel Comp 1025 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-611-4886, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5310-00-611-4886
Primary Part Number130331
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
Overall Diameter0.343 INCHES NOMINAL IN
MaterialSTEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentCADMIUM OVERALL
Thickness0.031 INCHES NOMINAL IN
Hole Diameter0.120 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5110-01-524-7565 INTERCHANGEABLE
Pliers
4820-01-535-174113033-1 INTERCHANGEABLE
Valve Assembly,manifold
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
130331 At and T Corp (USA)
130331 PRIMARY Telemechanics Inc (USA)
Related Parts
5110-01-524-7565INTERCHANGEABLE
PLIERS
4820-01-535-1741INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
13033-1

Frequently Asked Questions

What is NSN 5310-00-611-4886?

NSN 5310-00-611-4886 is a Washer,flat, manufactured by Telemechanics Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-611-4886?

NSN 5310-00-611-4886 has 2 cross-referenced part numbers: 130331 (At and T Corp), 130331 (Telemechanics Inc).

What NSN replaces 5310-00-611-4886?

There are 2 known substitutes for 5310-00-611-4886: 5110-01-524-7565, 4820-01-535-1741. Verify interchangeability with system specifications before substitution.

What are the specifications of 130331?

Key specifications for 130331: Center Hole Shape Style: ROUND; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Overall Diameter: 0.343 INCHES NOMINAL IN. 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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