PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8170372Washer,flat

Us Army Aviation and Missile Command · NSN 5310-00-560-5575 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-560-5575 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-560-5575. Primary manufacturer part number: 8170372.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Peripheral Shape Style: ROUND
  • Thickness: 0.031 INCHES NOMINAL IN
  • Hole Diameter: 0.266 INCHES NOMINAL IN
  • Overall Diameter: 0.625 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
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 5310-00-560-5575, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 8 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: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-560-5575
Primary Part Number8170372
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusCANCELLED
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Peripheral Shape StyleROUND
Thickness0.031 INCHES NOMINAL IN
Hole Diameter0.266 INCHES NOMINAL IN
Overall Diameter0.625 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4310-00-214-281417451 INTERCHANGEABLE
Ring,piston
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
2530-00-427-4926J3208311 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Chrysler Corp Engine and Components Sales Diversified Products Div
1005-00-477-5021 INTERCHANGEABLE
Detent,magazine Cap
3030-00-555-308317451 GATOR BACK 20033566 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5365-00-556-744617451 INTERCHANGEABLE
Plug,machine Thread
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5950-01-032-4509984819-1C INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
5905-01-260-8640 INTERCHANGEABLE
Resistor,thermal
3040-01-305-9927 INTERCHANGEABLE
Rod,piston,linear Actuating Cyli
6625-01-308-8630 INTERCHANGEABLE
Voltmeter
4140-01-486-488413MPE-301-016, PC. 70 INTERCHANGEABLE
Blower,air Barrier
Willard Marine, Inc.
Cross-Reference Index
Part NumberManufacturer
D117-86 Hoof Products Co (USA)
17451 Grove Valve Operations (USA)
17451 Grove Valve and Regulator Co (USA)
8170372 PRIMARY Us Army Aviation and Missile Command (USA)
Related Parts
4310-00-214-2814INTERCHANGEABLE
RING,PISTON
17451
2530-00-427-4926INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
J3208311
1005-00-477-5021INTERCHANGEABLE
DETENT,MAGAZINE CAP
3030-00-555-3083INTERCHANGEABLE
BELT,V
17451 GATOR BACK 20033566
5365-00-556-7446INTERCHANGEABLE
PLUG,MACHINE THREAD
17451
5950-01-032-4509INTERCHANGEABLE
TRANSFORMER,POWER
984819-1C
5905-01-260-8640INTERCHANGEABLE
RESISTOR,THERMAL
3040-01-305-9927INTERCHANGEABLE
ROD,PISTON,LINEAR ACTUATING CYLI
6625-01-308-8630INTERCHANGEABLE
VOLTMETER
4140-01-486-4884INTERCHANGEABLE
BLOWER,AIR BARRIER
13MPE-301-016, PC. 70
8030-01-564-5590INTERCHANGEABLE
SEALING COMPOUND
6525-01-584-5624INTERCHANGEABLE
PROBE,ULTRASONIC UNIT,DIAGNOSTIC
P07699

Frequently Asked Questions

What is NSN 5310-00-560-5575?

NSN 5310-00-560-5575 is a Washer,flat, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-560-5575?

NSN 5310-00-560-5575 has 4 cross-referenced part numbers: D117-86 (Hoof Products Co), 17451 (Grove Valve Operations), 17451 (Grove Valve and Regulator Co), 8170372 (Us Army Aviation and Missile Command).

What NSN replaces 5310-00-560-5575?

There are 12 known substitutes for 5310-00-560-5575: 4310-00-214-2814, 2530-00-427-4926, 1005-00-477-5021 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8170372?

Key specifications for 8170372: Material: STEEL OVERALL; Surface Treatment: CADMIUM OVERALL; Peripheral Shape Style: ROUND; Thickness: 0.031 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-560-5575 still in active supply?

NSN 5310-00-560-5575 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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