PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1579Washer,flat

R.w. Fernstrum & Company · NSN 5310-00-297-5885 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-297-5885 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-297-5885. Primary manufacturer part number: 1579.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: RUBBER SYNTHETIC OVERALL
  • Hole Diameter: 1.344 INCHES NOMINAL IN
  • Thickness: 0.125 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 2.250 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-297-5885, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is R.w. Fernstrum & Company. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-297-5885
Primary Part Number1579
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerR.w. Fernstrum & Company
StatusACTIVE
Cross-Sectional Shape StyleRECTANGULAR
MaterialRUBBER SYNTHETIC OVERALL
Hole Diameter1.344 INCHES NOMINAL IN
Thickness0.125 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Overall Diameter2.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-151-8837 INTERCHANGEABLE
Nut
4330-00-191-035951579 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5315-00-276-37031579 INTERCHANGEABLE
Pin,straight,headed
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5865-00-523-6673226800-000 INTERCHANGEABLE
Filter,optical
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5905-00-567-482410050532 INTERCHANGEABLE
Resistor,thermal
Us Army Aviation and Missile Command
6240-00-763-34501893 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5815-01-020-8892 INTERCHANGEABLE
Eccentric Decelerat
5210-01-076-61951579 INTERCHANGEABLE
Caliper,micrometer,outside
L.s. Starrett Company (the) Div Tool Division
2530-01-081-9877157-9 INTERCHANGEABLE
Shield,dust
Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems
2920-01-142-3174 INTERCHANGEABLE
Spark Plug
Cross-Reference Index
Part NumberManufacturer
1579 PRIMARY R.w. Fernstrum & Company (USA)
1579 PRIMARY H20 Tank Inc U S Motors Div (USA)
Related Parts
5310-00-151-8837INTERCHANGEABLE
NUT
4330-00-191-0359INTERCHANGEABLE
FILTER ELEMENT,FLUID
51579
5315-00-276-3703INTERCHANGEABLE
PIN,STRAIGHT,HEADED
1579
5865-00-523-6673INTERCHANGEABLE
FILTER,OPTICAL
226800-000
5905-00-567-4824INTERCHANGEABLE
RESISTOR,THERMAL
10050532
6240-00-763-3450INTERCHANGEABLE
LAMP,INCANDESCENT
1893
5815-01-020-8892INTERCHANGEABLE
ECCENTRIC DECELERAT
5210-01-076-6195INTERCHANGEABLE
CALIPER,MICROMETER,OUTSIDE
1579
2530-01-081-9877INTERCHANGEABLE
SHIELD,DUST
157-9
2920-01-142-3174INTERCHANGEABLE
SPARK PLUG
5310-01-146-1663INTERCHANGEABLE
NUT
6625-01-290-9399INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
1579

Frequently Asked Questions

What is NSN 5310-00-297-5885?

NSN 5310-00-297-5885 is a Washer,flat, manufactured by R.w. Fernstrum & Company, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-297-5885?

NSN 5310-00-297-5885 has 2 cross-referenced part numbers: 1579 (R.w. Fernstrum & Company), 1579 (H20 Tank Inc U S Motors Div).

What NSN replaces 5310-00-297-5885?

There are 12 known substitutes for 5310-00-297-5885: 5310-00-151-8837, 4330-00-191-0359, 5315-00-276-3703 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1579?

Key specifications for 1579: Cross-Sectional Shape Style: RECTANGULAR; Material: RUBBER SYNTHETIC OVERALL; Hole Diameter: 1.344 INCHES NOMINAL IN; Thickness: 0.125 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com