PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1448Washer,flat

Federal Screw Products, Inc. · NSN 5310-01-012-4345 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-012-4345 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-012-4345. Primary manufacturer part number: 1448.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Material: COPPER ALLOY OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 0.260 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 0.562 INCHES NOMINAL IN
  • Thickness: 0.040 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-012-4345, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Screw Products, Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5310-01-012-4345
Primary Part Number1448
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFederal Screw Products, Inc.
StatusACTIVE
Center Hole Shape StyleROUND
MaterialCOPPER ALLOY OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.260 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Overall Diameter0.562 INCHES NOMINAL IN
Thickness0.040 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-203-4804 INTERCHANGEABLE
Wrench,open End
4730-00-456-5749503-1138 INTERCHANGEABLE
Clamp,hose
Cummins Power Generation Inc.
5915-00-501-31821448 INTERCHANGEABLE
Filter,radio Frequency Interfere
Cornell-Dubilier Marketing Inc
3120-00-516-92763225050 INTERCHANGEABLE
Bearing,sleeve
Hatch & Kirk, Inc.
4720-00-522-91511448 INTERCHANGEABLE
Tubing,nonmetallic
Fluid Power, Inc.
3110-00-554-328810090 INTERCHANGEABLE
Bearing,ball,annular
Wausau Equipment Company Llc Dba Schmidt Engineering & Equipment Inc Div Wausau Equipment Llc
6240-00-898-66011448 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5950-00-930-1300SM-C-552152 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-01-031-65041448-4IN-7-8X8M INTERCHANGEABLE
Strainer Element,sediment
The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C
4730-01-148-59881448-2IN-FIG 188 INTERCHANGEABLE
Strainer,sediment
Staples & Pfeiffer, Inc.
Cross-Reference Index
Part NumberManufacturer
1448 Federal Screw Products, Inc. (USA)
Related Parts
5120-00-203-4804INTERCHANGEABLE
WRENCH,OPEN END
4730-00-456-5749INTERCHANGEABLE
CLAMP,HOSE
503-1138
5915-00-501-3182INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
1448
3120-00-516-9276INTERCHANGEABLE
BEARING,SLEEVE
3225050
4720-00-522-9151INTERCHANGEABLE
TUBING,NONMETALLIC
1448
3110-00-554-3288INTERCHANGEABLE
BEARING,BALL,ANNULAR
10090
6240-00-898-6601INTERCHANGEABLE
LAMP,INCANDESCENT
1448
5950-00-930-1300INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
SM-C-552152
4730-01-031-6504INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
1448-4IN-7-8X8M
4730-01-148-5988INTERCHANGEABLE
STRAINER,SEDIMENT
1448-2IN-FIG 188
4730-01-148-6974INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
1448-2IN-SP188-7-80SS
5990-01-257-2476INTERCHANGEABLE
ENCODER,SHAFT ANGLE TO DIGITAL

Frequently Asked Questions

What is NSN 5310-01-012-4345?

NSN 5310-01-012-4345 is a Washer,flat, manufactured by Federal Screw Products, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-012-4345?

NSN 5310-01-012-4345 has 1 cross-referenced part number: 1448 (Federal Screw Products, Inc.).

What NSN replaces 5310-01-012-4345?

There are 12 known substitutes for 5310-01-012-4345: 5120-00-203-4804, 4730-00-456-5749, 5915-00-501-3182 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1448?

Key specifications for 1448: Center Hole Shape Style: ROUND; Material: COPPER ALLOY OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Hole Diameter: 0.260 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.
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