PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3507Washer,flat

Parker Hannifin Corp Dba Pneutronics · NSN 5310-00-347-0021 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-347-0021 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-347-0021. Primary manufacturer part number: 3507.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.625 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Hole Diameter: 0.281 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Peripheral 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 5310-00-347-0021, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corp Dba Pneutronics. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 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
NSN5310-00-347-0021
Primary Part Number3507
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerParker Hannifin Corp Dba Pneutronics
StatusCANCELLED
Overall Diameter0.625 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Hole Diameter0.281 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentCADMIUM OVERALL
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Thickness0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2540-00-107-4184 INTERCHANGEABLE
Coupler
5996-00-138-9938AM6714FSA52V INTERCHANGEABLE
Amplifier,direct Current
Joint Electronics Type Designation System
6145-00-160-61753 INTERCHANGEABLE
Fuse Wire
Cooper Bussmann, Llc Dba Cooper Industries
5136-00-239-27643507 INTERCHANGEABLE
Die,thread Cutting
Stanley Tools Div of Stanley Works
2910-00-358-4317 INTERCHANGEABLE
Bowl,sediment
2520-00-364-84981K2673 INTERCHANGEABLE
Yoke,universal Joint,vehicular
Caterpillar Inc Div Caterpillar Defense
5961-00-472-5667 INTERCHANGEABLE
Transistor
6515-00-865-18110035070 INTERCHANGEABLE
Tube,suction,surgical
Conmed Corp Dba Conmed Linvatec Div Conmed Corporation
7040-00-937-46813507 INTERCHANGEABLE
Stage Shift Registe
Bae Systems Technology Solutions & Services Inc.
5935-00-992-2377 INTERCHANGEABLE
Connector,plug,electrical
Cross-Reference Index
Part NumberManufacturer
3507 PRIMARY Parker Hannifin Corp Dba Pneutronics (USA)
23-11670-25 Daimler Truck North America Llc (USA)
361226 Cooper Industries Inc Cooper Petroleum Equipment Div Sunnyvale Operation (USA)
361226 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
40233 Acco-Babcock Inc Hoist and Crane Div (USA)
40233ADX Airdale Express Llc Div Airdale Express (USA)
Related Parts
2540-00-107-4184INTERCHANGEABLE
COUPLER
5996-00-138-9938INTERCHANGEABLE
AMPLIFIER,DIRECT CURRENT
AM6714FSA52V
6145-00-160-6175INTERCHANGEABLE
FUSE WIRE
3
5136-00-239-2764INTERCHANGEABLE
DIE,THREAD CUTTING
3507
2910-00-358-4317INTERCHANGEABLE
BOWL,SEDIMENT
2520-00-364-8498INTERCHANGEABLE
YOKE,UNIVERSAL JOINT,VEHICULAR
1K2673
5961-00-472-5667INTERCHANGEABLE
TRANSISTOR
6515-00-865-1811INTERCHANGEABLE
TUBE,SUCTION,SURGICAL
0035070
7040-00-937-4681INTERCHANGEABLE
STAGE SHIFT REGISTE
3507
5935-00-992-2377INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5995-01-009-0465INTERCHANGEABLE
INTERFACE CABLE
5962-01-078-5739INTERCHANGEABLE
MICROCIRCUIT,MEMORY
40233

Frequently Asked Questions

What is NSN 5310-00-347-0021?

NSN 5310-00-347-0021 is a Washer,flat, manufactured by Parker Hannifin Corp Dba Pneutronics, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-347-0021?

NSN 5310-00-347-0021 has 6 cross-referenced part numbers: 3507 (Parker Hannifin Corp Dba Pneutronics), 23-11670-25 (Daimler Truck North America Llc), 361226 (Cooper Industries Inc Cooper Petroleum Equipment Div Sunnyvale Operation), 361226 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 40233 (Acco-Babcock Inc Hoist and Crane Div) and 1 more.

What NSN replaces 5310-00-347-0021?

There are 12 known substitutes for 5310-00-347-0021: 2540-00-107-4184, 5996-00-138-9938, 6145-00-160-6175 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3507?

Key specifications for 3507: Overall Diameter: 0.625 INCHES NOMINAL IN; Material: STEEL OVERALL; Hole Diameter: 0.281 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-347-0021 still in active supply?

NSN 5310-00-347-0021 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.
PartsTable Design LLC · partstable.com