PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J1073Washer,flat

Joslyn Corp · NSN 5310-00-515-8081 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-515-8081 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-515-8081. Primary manufacturer part number: J1073.
Features
  • Washer,flat — FSC 5310
  • Surface Treatment: ZINC OVERALL
  • Center Hole Shape Style: ROUND
  • Material: STEEL OVERALL
  • Surface Treatment Document and Classification: A-153-49 FSCM 81346 MFR REF SINGLE TREATMENT RESPONSE OVERALL
  • Peripheral Shape Style: RECTANGULAR
  • Length: 1.875 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-515-8081, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Joslyn Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-515-8081
Primary Part NumberJ1073
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerJoslyn Corp
StatusACTIVE
Surface TreatmentZINC OVERALL
Center Hole Shape StyleROUND
MaterialSTEEL OVERALL
Surface Treatment Document and ClassificationA-153-49 FSCM 81346 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Peripheral Shape StyleRECTANGULAR
Length1.875 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
Width Across Flats1.875 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN
Hole Diameter0.531 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2920-00-021-494610-358860-1 INTERCHANGEABLE
Ignition Unit
Unison Industries Llc
5950-00-043-0393712010-035 INTERCHANGEABLE
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Raytheon Company Div Rmd Strategic
5365-00-088-175768-11 INTERCHANGEABLE
Spacer,plate
Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems
5905-00-111-8357 INTERCHANGEABLE
Resistor,fixed,composition
6150-00-112-24586811 INTERCHANGEABLE
Cable Assembly,self
Thomas and Betts Corp Electronics Group
5935-00-204-581978-11 INTERCHANGEABLE
Jack,tip
Amphenol Corp Div Amphenol Aerospace Operations
5305-00-285-5581 INTERCHANGEABLE
Screw,machine
7050-00-315-0345 INTERCHANGEABLE
Processor,informati
5342-00-316-4762 INTERCHANGEABLE
Bracket,starting Mo
5305-00-361-98929B6742 INTERCHANGEABLE
Screw,machine
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
J1073 PRIMARY Joslyn Corp (USA)
6811 La Chance Ltd (USA)
7811 Hubbard and Company (USA)
6940 1-2 Oliver Iron and Steel Corp (USA)
Related Parts
2920-00-021-4946INTERCHANGEABLE
IGNITION UNIT
10-358860-1
5950-00-043-0393INTERCHANGEABLE
COIL,RADIO FREQUENCY
712010-035
5365-00-088-1757INTERCHANGEABLE
SPACER,PLATE
68-11
5905-00-111-8357INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
6150-00-112-2458INTERCHANGEABLE
CABLE ASSEMBLY,SELF
6811
5935-00-204-5819INTERCHANGEABLE
JACK,TIP
78-11
5305-00-285-5581INTERCHANGEABLE
SCREW,MACHINE
7050-00-315-0345INTERCHANGEABLE
PROCESSOR,INFORMATI
5342-00-316-4762INTERCHANGEABLE
BRACKET,STARTING MO
5305-00-361-9892INTERCHANGEABLE
SCREW,MACHINE
9B6742
2530-00-454-5017INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
3004642
5950-00-476-3426INTERCHANGEABLE
TRANSFORMER,PULSE
890086

Frequently Asked Questions

What is NSN 5310-00-515-8081?

NSN 5310-00-515-8081 is a Washer,flat, manufactured by Joslyn Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-515-8081?

NSN 5310-00-515-8081 has 4 cross-referenced part numbers: J1073 (Joslyn Corp), 6811 (La Chance Ltd), 7811 (Hubbard and Company), 6940 1-2 (Oliver Iron and Steel Corp).

What NSN replaces 5310-00-515-8081?

There are 12 known substitutes for 5310-00-515-8081: 2920-00-021-4946, 5950-00-043-0393, 5365-00-088-1757 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J1073?

Key specifications for J1073: Surface Treatment: ZINC OVERALL; Center Hole Shape Style: ROUND; Material: STEEL OVERALL; Surface Treatment Document and Classification: A-153-49 FSCM 81346 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 10 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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