PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30723Washer,flat

Raytheon Company Dba Raytheon · NSN 5310-00-515-8243 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-515-8243 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-515-8243. Primary manufacturer part number: 30723.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL COMP 302 OVERALL
  • Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-515-8243, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Raytheon Company Dba Raytheon. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-515-8243
Primary Part Number30723
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusCANCELLED
MaterialSTEEL COMP 302 OVERALL
Material Document and ClassificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
Thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
Hole Diameter0.144 INCHES MINIMUM AND 0.154 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2825-00-066-6070 INTERCHANGEABLE
Blading Set,turbine
3110-00-142-432977-B-516-01401-3 INTERCHANGEABLE
Bearing,ball,airframe
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4310-00-215-193230723 INTERCHANGEABLE
Intercooler,a Assem
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
5310-00-275-13470188-7 INTERCHANGEABLE
Washer,flat
Lockheed Martin Corporation Div Rms - Mitchel Field
6240-00-357-7970FBX INTERCHANGEABLE
Lamp,incandescent
American National Standards Institute Incorporated Dba American National Standards Institute
3455-00-517-555458-10138 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
3030-00-678-1161 INTERCHANGEABLE
Belts,v,matched Set
4820-00-728-747110125061 INTERCHANGEABLE
Valve,safety Relief
Fwd Seagrave Holdings Lp
5310-01-014-6411 INTERCHANGEABLE
Washer,flat
4820-01-178-289530723 INTERCHANGEABLE
Cap,valve
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
Cross-Reference Index
Part NumberManufacturer
1247315-3 Honeywell International Inc Dba Honeywell (USA)
1539349 Honeywell International, Inc Div Aerospace-Tucson (USA)
310-0046-000 Zf Industrieantriebe Witten Gmbh (DEU)
236M0022P009 Raytheon Company (USA)
0188-07 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
0126006-2 Zf Industrieantriebe Witten Gmbh (DEU)
420-17-0471 Hughes Christensen Co Hughes Drilling Equipment Div (USA)
1247315-3 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
30723 PRIMARY Raytheon Company Dba Raytheon (USA)
26216437 Vapor Corp Sub of Brunswick Corp (USA)
17600-2 Zf Industrieantriebe Witten Gmbh (DEU)
236M0022P009 Raytheon Company Div Corp (USA)
236M0022P009 Raytheon Company Dba Raytheon Co (USA)
435-11-0471 Raytheon Company Dba Raytheon (USA)
Related Parts
2825-00-066-6070INTERCHANGEABLE
BLADING SET,TURBINE
3110-00-142-4329INTERCHANGEABLE
BEARING,BALL,AIRFRAME
77-B-516-01401-3
4310-00-215-1932INTERCHANGEABLE
INTERCOOLER,A ASSEM
30723
5310-00-275-1347INTERCHANGEABLE
WASHER,FLAT
0188-7
6240-00-357-7970INTERCHANGEABLE
LAMP,INCANDESCENT
FBX
3455-00-517-5554INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10138
3030-00-678-1161INTERCHANGEABLE
BELTS,V,MATCHED SET
4820-00-728-7471INTERCHANGEABLE
VALVE,SAFETY RELIEF
10125061
5310-01-014-6411INTERCHANGEABLE
WASHER,FLAT
4820-01-178-2895INTERCHANGEABLE
CAP,VALVE
30723
4820-01-251-0854INTERCHANGEABLE
RETAINER,DISK,VALVE
307-23
5315-01-394-8326INTERCHANGEABLE
KEY,MACHINE

Frequently Asked Questions

What is NSN 5310-00-515-8243?

NSN 5310-00-515-8243 is a Washer,flat, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-515-8243?

NSN 5310-00-515-8243 has 14 cross-referenced part numbers: 1247315-3 (Honeywell International Inc Dba Honeywell), 1539349 (Honeywell International, Inc Div Aerospace-Tucson), 310-0046-000 (Zf Industrieantriebe Witten Gmbh), 236M0022P009 (Raytheon Company), 0188-07 (Lockheed Martin Corporation Div Rms - Mitchel Field) and 9 more.

What NSN replaces 5310-00-515-8243?

There are 12 known substitutes for 5310-00-515-8243: 2825-00-066-6070, 3110-00-142-4329, 4310-00-215-1932 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30723?

Key specifications for 30723: Material: STEEL COMP 302 OVERALL; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: PASSIVATE OVERALL; Peripheral Shape Style: ROUND. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-515-8243 still in active supply?

NSN 5310-00-515-8243 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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