PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8723-0391Washer,reinforcing

Naval Inventory Control Point Mechanicsburg · NSN 4470-01-038-3921 · FSC 4470 · No Item Name Available
Verified by PartsTable
NSN 4470-01-038-3921 — this item is cataloged by the U.S. Government under National Stock Number 4470-01-038-3921. Primary manufacturer part number: 8723-0391.
Features
  • Washer,reinforcing — FSC 4470
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • Criticality Code Justification: ZZZY
  • 3 verified cross-references
  • Primary manufacturer: Naval Inventory Control Point Mechanicsburg
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,reinforcing, cataloged under National Stock Number 4470-01-038-3921, is classified within Federal Supply Class 4470 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN4470-01-038-3921
Primary Part Number8723-0391
Item NameWasher,reinforcing
FSC / FSG4470 / 44 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5342-00-015-612315060 INTERCHANGEABLE
Bracket
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5133-00-189-9305 INTERCHANGEABLE
Drill,twist
5110-00-241-91385110-00-241-9138 INTERCHANGEABLE
File,hand
General Services Administration Federal Supply Service
5330-00-377-03951020Z2659 INTERCHANGEABLE
Gasket
Morris Material Handling, Inc.
5306-00-430-946715060 INTERCHANGEABLE
Bolt,machine
Dressta North America Ltd
2530-00-521-113015060 INTERCHANGEABLE
Pin,pivot
Saginaw Products Corporation Dba Cignys
2530-00-725-14840910308 INTERCHANGEABLE
Nut,wheel
Agco Corp Parts Opn
4730-00-774-644015876 INTERCHANGEABLE
Plug,distributing
Alfa Laval Inc
4920-01-067-4458CPL5SP INTERCHANGEABLE
Filter Assembly
Graver Technologies Llc
4820-01-227-72622BG286 INTERCHANGEABLE
Ball,valve,ported
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
8723-0391 Naval Inventory Control Point Mechanicsburg (USA)
213-4362626ITEM77 Naval Ship Systems Command (USA)
15060 Eastern Refractories Co Inc (USA)
Related Parts
5342-00-015-6123INTERCHANGEABLE
BRACKET
15060
5133-00-189-9305INTERCHANGEABLE
DRILL,TWIST
5110-00-241-9138INTERCHANGEABLE
FILE,HAND
5110-00-241-9138
5330-00-377-0395INTERCHANGEABLE
GASKET
1020Z2659
5306-00-430-9467INTERCHANGEABLE
BOLT,MACHINE
15060
2530-00-521-1130INTERCHANGEABLE
PIN,PIVOT
15060
2530-00-725-1484INTERCHANGEABLE
NUT,WHEEL
0910308
4730-00-774-6440INTERCHANGEABLE
PLUG,DISTRIBUTING
15876
4920-01-067-4458INTERCHANGEABLE
FILTER ASSEMBLY
CPL5SP
4820-01-227-7262INTERCHANGEABLE
BALL,VALVE,PORTED
2BG286
3040-01-259-1722INTERCHANGEABLE
COLLAR,SHAFT
5305-01-557-0559INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
15060

Frequently Asked Questions

What is NSN 4470-01-038-3921?

NSN 4470-01-038-3921 is a Washer,reinforcing, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4470 (No Item Name Available). Status: active.

What are the part numbers for NSN 4470-01-038-3921?

NSN 4470-01-038-3921 has 3 cross-referenced part numbers: 8723-0391 (Naval Inventory Control Point Mechanicsburg), 213-4362626ITEM77 (Naval Ship Systems Command), 15060 (Eastern Refractories Co Inc).

What NSN replaces 4470-01-038-3921?

There are 12 known substitutes for 4470-01-038-3921: 5342-00-015-6123, 5133-00-189-9305, 5110-00-241-9138 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8723-0391?

Key specifications for 8723-0391: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.; Criticality Code Justification: ZZZY. 2 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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