PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8158198Washer,flat

Us Army Aviation and Missile Command · NSN 5310-00-837-4610 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-837-4610 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-837-4610. Primary manufacturer part number: 8158198.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
  • Material Document and Classification: ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
  • Material: STEEL COMP 303 OVERALL
  • Thickness: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-837-4610, 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 9 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-837-4610
Primary Part Number8158198
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusCANCELLED
Hole Diameter0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
Material Document and ClassificationASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Peripheral Shape StyleROUND
Overall Diameter0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
MaterialSTEEL COMP 303 OVERALL
Thickness0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5310-00-015-0013S8157N278-063 INTERCHANGEABLE
Washer,flat
Honeywell International Inc. Div Aerospace - Torrance
4820-00-287-5998 INTERCHANGEABLE
Valve,lift-Check
4820-00-287-5999MSS SP80 TY1,CL125,SZ3/4IN INTERCHANGEABLE
Valve,check
Manufacturers Standardization Society of the Valve and Fittings Industry Inc
3441-00-529-0952 INTERCHANGEABLE
Bending Machine,pipe and Conduit
5365-00-896-6681B3-16 INTERCHANGEABLE
Spacer
Roller Bearing Co of America, Inc Div Pic Design
5120-01-144-52980110 INTERCHANGEABLE
Blade,socket Head Screw Key
Bondhus Corp
3120-01-448-8527 INTERCHANGEABLE
Bearing,sleeve
8455-01-559-1394 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-559-3727 INTERCHANGEABLE
Insignia,shoulder Sleeve
3040-01-654-2928B316 INTERCHANGEABLE
Brake Shoe
Arcosa Marine Components, Llc
Cross-Reference Index
Part NumberManufacturer
B3-16 Roller Bearing Co of America, Inc Div Pic Design (USA)
5310003587 General Dynamics European Land Systems - Santa Barbara Sistemas Sa (ESP)
NAS1057T4-006 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
8158198 PRIMARY Us Army Aviation and Missile Command (USA)
Related Parts
5310-00-015-0013INTERCHANGEABLE
WASHER,FLAT
S8157N278-063
4820-00-287-5998INTERCHANGEABLE
VALVE,LIFT-CHECK
4820-00-287-5999INTERCHANGEABLE
VALVE,CHECK
MSS SP80 TY1,CL125,SZ3/4IN
3441-00-529-0952INTERCHANGEABLE
BENDING MACHINE,PIPE AND CONDUIT
5365-00-896-6681INTERCHANGEABLE
SPACER
B3-16
5120-01-144-5298INTERCHANGEABLE
BLADE,SOCKET HEAD SCREW KEY
0110
3120-01-448-8527INTERCHANGEABLE
BEARING,SLEEVE
8455-01-559-1394INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-559-3727INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
3040-01-654-2928INTERCHANGEABLE
BRAKE SHOE
B316
8455-01-688-6335INTERCHANGEABLE
INSIGNIA,GRADE,ENLISTED PERSONNE

Frequently Asked Questions

What is NSN 5310-00-837-4610?

NSN 5310-00-837-4610 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 5310-00-837-4610?

NSN 5310-00-837-4610 has 4 cross-referenced part numbers: B3-16 (Roller Bearing Co of America, Inc Div Pic Design), 5310003587 (General Dynamics European Land Systems - Santa Barbara Sistemas Sa), NAS1057T4-006 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 8158198 (Us Army Aviation and Missile Command).

What NSN replaces 5310-00-837-4610?

There are 11 known substitutes for 5310-00-837-4610: 5310-00-015-0013, 4820-00-287-5998, 4820-00-287-5999 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8158198?

Key specifications for 8158198: Hole Diameter: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN; Material Document and Classification: ASTM A582,COND A ASSN STD 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 5310-00-837-4610 still in active supply?

NSN 5310-00-837-4610 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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