PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1000820Washer,flat

Simmonds Precision Products Inc · NSN 5310-01-110-7814 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-110-7814 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-110-7814. Primary manufacturer part number: 1000820.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.680 INCHES NOMINAL IN
  • Material Document and Classification: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: PLASTIC POLYHEXAMETHYLENE SEBACAMIDE OVERALL
  • Thickness: 0.040 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 0.375 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyhexamethylene Sebacamide Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-110-7814, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Simmonds Precision Products Inc. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-110-7814
Primary Part Number1000820
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSimmonds Precision Products Inc
StatusACTIVE
Overall Diameter0.680 INCHES NOMINAL IN
Material Document and ClassificationL-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC POLYHEXAMETHYLENE SEBACAMIDE OVERALL
Thickness0.040 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.375 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5305-00-012-0233120233 INTERCHANGEABLE
Screw,cap,hexagon Head
Rolls-Royce Solutions America Inc
5985-00-503-65461000820 INTERCHANGEABLE
Switch,radio Frequency Transmiss
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5831-00-808-5269117C800-2 INTERCHANGEABLE
Control,intercommunication Set
Telephonics Corp
6610-01-129-78141000820 INTERCHANGEABLE
Counterweight
Ametek, Inc. Dba Aerospace Gst Div Aerospace
6910-01-541-93829021 INTERCHANGEABLE
Needle Set,training,intraosseous
Teleflex Llc
Cross-Reference Index
Part NumberManufacturer
1000820 PRIMARY Simmonds Precision Products Inc (USA)
Related Parts
5305-00-012-0233INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
120233
5985-00-503-6546INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
1000820
5831-00-808-5269INTERCHANGEABLE
CONTROL,INTERCOMMUNICATION SET
117C800-2
6610-01-129-7814INTERCHANGEABLE
COUNTERWEIGHT
1000820
6910-01-541-9382INTERCHANGEABLE
NEEDLE SET,TRAINING,INTRAOSSEOUS
9021

Frequently Asked Questions

What is NSN 5310-01-110-7814?

NSN 5310-01-110-7814 is a Washer,flat, manufactured by Simmonds Precision Products Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-110-7814?

NSN 5310-01-110-7814 has 1 cross-referenced part number: 1000820 (Simmonds Precision Products Inc).

What NSN replaces 5310-01-110-7814?

There are 5 known substitutes for 5310-01-110-7814: 5305-00-012-0233, 5985-00-503-6546, 5831-00-808-5269 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1000820?

Key specifications for 1000820: Overall Diameter: 0.680 INCHES NOMINAL IN; Material Document and Classification: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: PLASTIC POLYHEXAMETHYLENE SEBACAMIDE OVERALL; Thickness: 0.040 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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