PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14538Washer,flat

Stewart-Warner Corporation · NSN 5310-00-394-3147 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-394-3147 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-394-3147. Primary manufacturer part number: 14538.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Overall Diameter: 1.000 INCHES NOMINAL IN
  • Hole Diameter: 0.375 INCHES NOMINAL IN
  • Thickness: 0.078 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
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 5310-00-394-3147, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stewart-Warner Corporation. Government technical data includes 8 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-394-3147
Primary Part Number14538
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerStewart-Warner Corporation
StatusACTIVE
Peripheral Shape StyleROUND
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OR ZINC OVERALL
Overall Diameter1.000 INCHES NOMINAL IN
Hole Diameter0.375 INCHES NOMINAL IN
Thickness0.078 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-144-86690210591 INTERCHANGEABLE
Bearing,ball,annular
Agco Corp Parts Opn
6920-00-242-509414538 INTERCHANGEABLE
Transducer,receiver
L3 Technologies, Inc. Div L3harris Edo Western Corporation
3120-00-255-0126 INTERCHANGEABLE
Bearing,washer,thrust
2640-00-404-075414-538 INTERCHANGEABLE
Repair Kit,puncture,pneumatic Ti
Patch Rubber Co
5330-00-810-4773287778 INTERCHANGEABLE
Seal,plain Encased
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5962-01-070-0689MC14538BAL/883B INTERCHANGEABLE
Microcircuit,digital
Freescale Semiconductor, Inc.
5365-01-172-281114538 INTERCHANGEABLE
Shim
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
5340-01-497-618814538 INTERCHANGEABLE
Clamp,loop
Powers Holdings Inc Dba Fire Brick Engineers Co Div Curtis Industries
5330-01-556-092714538 INTERCHANGEABLE
Seal,plain Encased
Eaton Corporation Div Fed
5365-01-724-171914538 INTERCHANGEABLE
Bushing,nonmetallic
Gatr Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
14538 Stewart-Warner Corporation (USA)
Related Parts
3110-00-144-8669INTERCHANGEABLE
BEARING,BALL,ANNULAR
0210591
6920-00-242-5094INTERCHANGEABLE
TRANSDUCER,RECEIVER
14538
3120-00-255-0126INTERCHANGEABLE
BEARING,WASHER,THRUST
2640-00-404-0754INTERCHANGEABLE
REPAIR KIT,PUNCTURE,PNEUMATIC TI
14-538
5330-00-810-4773INTERCHANGEABLE
SEAL,PLAIN ENCASED
287778
5962-01-070-0689INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
MC14538BAL/883B
5365-01-172-2811INTERCHANGEABLE
SHIM
14538
5340-01-497-6188INTERCHANGEABLE
CLAMP,LOOP
14538
5330-01-556-0927INTERCHANGEABLE
SEAL,PLAIN ENCASED
14538
5365-01-724-1719INTERCHANGEABLE
BUSHING,NONMETALLIC
14538

Frequently Asked Questions

What is NSN 5310-00-394-3147?

NSN 5310-00-394-3147 is a Washer,flat, manufactured by Stewart-Warner Corporation, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-394-3147?

NSN 5310-00-394-3147 has 1 cross-referenced part number: 14538 (Stewart-Warner Corporation).

What NSN replaces 5310-00-394-3147?

There are 10 known substitutes for 5310-00-394-3147: 3110-00-144-8669, 6920-00-242-5094, 3120-00-255-0126 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 14538?

Key specifications for 14538: Peripheral Shape Style: ROUND; Material: STEEL OVERALL; Surface Treatment: CADMIUM OR ZINC OVERALL; Overall Diameter: 1.000 INCHES NOMINAL IN. 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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