PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8437178Washer,flat

Army, United States Department of the Dba Rock Island Arsenal Jmtc · NSN 5310-00-873-7016 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-873-7016 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-873-7016. Primary manufacturer part number: 8437178.
Features
  • Washer,flat — FSC 5310
  • Surface Finish: 32.0 MICROINCHES TOP
  • Material: STEEL COMP 1095 OVERALL
  • Surface Finish: 32.0 MICROINCHES BOTTOM
  • Peripheral Shape Style: ROUND
  • Material Document and Classification: MIL-S-8559 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Hardness Rating: 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1095 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-873-7016, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 11 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-873-7016
Primary Part Number8437178
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerArmy, United States Department of the Dba Rock Island Arsenal Jmtc
StatusCANCELLED
Surface Finish32.0 MICROINCHES TOP
MaterialSTEEL COMP 1095 OVERALL
Surface Finish32.0 MICROINCHES BOTTOM
Peripheral Shape StyleROUND
Material Document and ClassificationMIL-S-8559 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Hardness Rating58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter1.000 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN
Overall Diameter1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN
Thickness0.095 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5120-00-240-56185120-00-240-5618 INTERCHANGEABLE
Clamp,c
General Services Administration Federal Supply Service
5342-00-597-6821780-10 INTERCHANGEABLE
Mount,resilient,weapon System
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
5120-00-773-8026 INTERCHANGEABLE
Key,socket Head Screw
5962-01-102-0627 INTERCHANGEABLE
Microcircuit,digital
5365-01-208-694378010 INTERCHANGEABLE
Spacer,ring
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4720-01-251-3109F4210606-6-6-20.00 INTERCHANGEABLE
Hose Assembly,nonmetallic
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
2530-01-255-44611002204 INTERCHANGEABLE
Wheel Assembly,pneumatic Tire
Tld Ace Corp Div Tld Ace
4720-01-543-574878010-1 INTERCHANGEABLE
Hose,nonmetallic
Drs Sustainment Systems Inc
Cross-Reference Index
Part NumberManufacturer
78010 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
5310008737016 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
8437178 PRIMARY Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
Related Parts
5120-00-240-5618INTERCHANGEABLE
CLAMP,C
5120-00-240-5618
5342-00-597-6821INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
780-10
5120-00-773-8026INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5962-01-102-0627INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5365-01-208-6943INTERCHANGEABLE
SPACER,RING
78010
4720-01-251-3109INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
F4210606-6-6-20.00
2530-01-255-4461INTERCHANGEABLE
WHEEL ASSEMBLY,PNEUMATIC TIRE
1002204
4720-01-543-5748INTERCHANGEABLE
HOSE,NONMETALLIC
78010-1

Frequently Asked Questions

What is NSN 5310-00-873-7016?

NSN 5310-00-873-7016 is a Washer,flat, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-873-7016?

NSN 5310-00-873-7016 has 3 cross-referenced part numbers: 78010 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 5310008737016 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 8437178 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).

What NSN replaces 5310-00-873-7016?

There are 8 known substitutes for 5310-00-873-7016: 5120-00-240-5618, 5342-00-597-6821, 5120-00-773-8026 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8437178?

Key specifications for 8437178: Surface Finish: 32.0 MICROINCHES TOP; Material: STEEL COMP 1095 OVERALL; Surface Finish: 32.0 MICROINCHES BOTTOM; Peripheral Shape Style: ROUND. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-873-7016 still in active supply?

NSN 5310-00-873-7016 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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