PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70704Washer,flat

Cummins Inc. · NSN 5310-00-899-6747 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-899-6747 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-899-6747. Primary manufacturer part number: 70704.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Hole Diameter: 0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
  • 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 5310-00-899-6747, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-899-6747
Primary Part Number70704
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCummins Inc.
StatusACTIVE
Overall Diameter0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Hole Diameter0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Thickness0.065 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-141-1795NAS1149F0463P INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5910-00-360-51270180-1853 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Keysight Technologies Inc
6105-00-753-0924109162 INTERCHANGEABLE
Motor,alternating Current
L3harris Technologies, Inc Div Space & Airborne Systems
5305-00-989-18617070-4 INTERCHANGEABLE
Screw,cap,hexagon Head
Pdi Ground Support Systems, Inc.
5330-01-239-096170704 INTERCHANGEABLE
Seal,plain
Dressta North America Ltd
5325-01-370-997570704 INTERCHANGEABLE
Ring,retaining
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
9150-01-556-0756P-5311-100 INTERCHANGEABLE
Lubricating Oil,utility
International Products Corporation
5310-01-664-8404050-000028-108 INTERCHANGEABLE
Nut,plain,hexagon
Fastenal Company Div Stct
6620-01-707-273210-9162 INTERCHANGEABLE
Indicator,pressure
Simtek, Inc. Dba Simtek Inc
Cross-Reference Index
Part NumberManufacturer
70704 Royston Limited (GBR)
70704 PRIMARY Cummins Inc. (USA)
109162 PRIMARY Cummins Inc. (USA)
Related Parts
5310-00-141-1795INTERCHANGEABLE
WASHER,FLAT
NAS1149F0463P
5910-00-360-5127INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
0180-1853
6105-00-753-0924INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
109162
5305-00-989-1861INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
7070-4
5330-01-239-0961INTERCHANGEABLE
SEAL,PLAIN
70704
5325-01-370-9975INTERCHANGEABLE
RING,RETAINING
70704
9150-01-556-0756INTERCHANGEABLE
LUBRICATING OIL,UTILITY
P-5311-100
5310-01-664-8404INTERCHANGEABLE
NUT,PLAIN,HEXAGON
050-000028-108
6620-01-707-2732INTERCHANGEABLE
INDICATOR,PRESSURE
10-9162

Frequently Asked Questions

What is NSN 5310-00-899-6747?

NSN 5310-00-899-6747 is a Washer,flat, manufactured by Cummins Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-899-6747?

NSN 5310-00-899-6747 has 3 cross-referenced part numbers: 70704 (Royston Limited), 70704 (Cummins Inc.), 109162 (Cummins Inc.).

What NSN replaces 5310-00-899-6747?

There are 9 known substitutes for 5310-00-899-6747: 5310-00-141-1795, 5910-00-360-5127, 6105-00-753-0924 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 70704?

Key specifications for 70704: Overall Diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Center Hole Shape Style: ROUND; Material: STEEL OVERALL. 8 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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