PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30098Washer,flat

Triumph Engine Control Systems Llc · NSN 5310-00-025-7776 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-025-7776 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-025-7776. Primary manufacturer part number: 30098.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Overall Diameter: 0.440 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Thickness: 0.030 INCHES NOMINAL IN
  • Hole Diameter: 0.314 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 301 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-025-7776, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-025-7776
Primary Part Number30098
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Material Document and ClassificationQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Overall Diameter0.440 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Thickness0.030 INCHES NOMINAL IN
Hole Diameter0.314 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
MaterialSTEEL COMP 301 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-100-0328563 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5365-00-488-414230098 INTERCHANGEABLE
Plug,machine Thread
Moog Military Aircraft Llc
5330-01-461-563830098 INTERCHANGEABLE
Seal,plain
Ausco Products Inc
5133-01-525-665830-098 INTERCHANGEABLE
Drill,twist
Tom J Riddle Inc Dba Gard Specialists
Cross-Reference Index
Part NumberManufacturer
30098 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
3110-00-100-0328INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
563
5365-00-488-4142INTERCHANGEABLE
PLUG,MACHINE THREAD
30098
5330-01-461-5638INTERCHANGEABLE
SEAL,PLAIN
30098
5133-01-525-6658INTERCHANGEABLE
DRILL,TWIST
30-098

Frequently Asked Questions

What is NSN 5310-00-025-7776?

NSN 5310-00-025-7776 is a Washer,flat, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-025-7776?

NSN 5310-00-025-7776 has 1 cross-referenced part number: 30098 (Triumph Engine Control Systems Llc).

What NSN replaces 5310-00-025-7776?

There are 4 known substitutes for 5310-00-025-7776: 3110-00-100-0328, 5365-00-488-4142, 5330-01-461-5638 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30098?

Key specifications for 30098: Peripheral Shape Style: ROUND; Cross-Sectional Shape Style: RECTANGULAR; Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Diameter: 0.440 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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