PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11621Washer,flat

Elbitamerica, Inc. · NSN 5310-00-947-3410 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-947-3410 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-947-3410. Primary manufacturer part number: 11621.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL COMP 303 OVERALL
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Surface Treatment: PASSIVATE OVERALL
  • Thickness: 0.032 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.126 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-947-3410, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Elbitamerica, Inc.. Government technical data includes 9 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-947-3410
Primary Part Number11621
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerElbitamerica, Inc.
StatusACTIVE
MaterialSTEEL COMP 303 OVERALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Surface TreatmentPASSIVATE OVERALL
Thickness0.032 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Hole Diameter0.126 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Overall Diameter0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5340-00-310-2144 INTERCHANGEABLE
Handle,bow
9540-00-402-0371 INTERCHANGEABLE
Angle,structural
5950-00-532-6991 INTERCHANGEABLE
Coil,radio Frequency
5330-00-551-043811621 INTERCHANGEABLE
Gasket
Arvinmeritor Inc
5815-00-602-2783SM-C-426578 INTERCHANGEABLE
Bar,t,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6615-01-007-8978 INTERCHANGEABLE
Frame Assembly,gyro
5998-01-128-7622116-000021 INTERCHANGEABLE
Circuit Card Assembly
Data General Corporation
4930-01-328-707211621 INTERCHANGEABLE
Adapter,grease Gun Coupling
Mcneil Ohio Corp
2590-01-589-7400 INTERCHANGEABLE
Bracket,vehicular Components
Cross-Reference Index
Part NumberManufacturer
11621 PRIMARY Elbitamerica, Inc. (USA)
Related Parts
5340-00-310-2144INTERCHANGEABLE
HANDLE,BOW
9540-00-402-0371INTERCHANGEABLE
ANGLE,STRUCTURAL
5950-00-532-6991INTERCHANGEABLE
COIL,RADIO FREQUENCY
5330-00-551-0438INTERCHANGEABLE
GASKET
11621
5815-00-602-2783INTERCHANGEABLE
BAR,T,TELETYPEWRITER
SM-C-426578
6615-01-007-8978INTERCHANGEABLE
FRAME ASSEMBLY,GYRO
5998-01-128-7622INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
116-000021
4930-01-328-7072INTERCHANGEABLE
ADAPTER,GREASE GUN COUPLING
11621
2590-01-589-7400INTERCHANGEABLE
BRACKET,VEHICULAR COMPONENTS

Frequently Asked Questions

What is NSN 5310-00-947-3410?

NSN 5310-00-947-3410 is a Washer,flat, manufactured by Elbitamerica, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-947-3410?

NSN 5310-00-947-3410 has 1 cross-referenced part number: 11621 (Elbitamerica, Inc.).

What NSN replaces 5310-00-947-3410?

There are 9 known substitutes for 5310-00-947-3410: 5340-00-310-2144, 9540-00-402-0371, 5950-00-532-6991 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11621?

Key specifications for 11621: Material: STEEL COMP 303 OVERALL; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: PASSIVATE OVERALL. 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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