PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5031-4Washer,shouldered

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 5310-00-003-4911 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-003-4911 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-003-4911. Primary manufacturer part number: 5031-4.
Features
  • Washer,shouldered — FSC 5310
  • Hole Diameter: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
  • Material Thickness: 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Outside Diameter: 0.389 INCHES MINIMUM AND 0.409 INCHES MAXIMUM IN
  • Shoulder Diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
  • Style Designator: SHOULDERED
  • Shoulder Height: 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-P-20693,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Washer,shouldered, cataloged under National Stock Number 5310-00-003-4911, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. Government technical data includes 8 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
NSN5310-00-003-4911
Primary Part Number5031-4
Item NameWasher,shouldered
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Hole Diameter0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
Material Thickness0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Outside Diameter0.389 INCHES MINIMUM AND 0.409 INCHES MAXIMUM IN
Shoulder Diameter0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Style DesignatorSHOULDERED
Shoulder Height0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
Material Document and ClassificationMIL-P-20693,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5970-00-253-9871NY10-030 INTERCHANGEABLE
Insulator,bushing
The Delbert Blinn Co Inc
5210-00-274-28575026 INTERCHANGEABLE
Gage,thickness
Doall Baltimore Company
4320-00-300-476010900570 INTERCHANGEABLE
Propeller,pump
U S Army Tank Automotive Command Amsta-Im-Mm
5970-00-411-592786-159486-2 INTERCHANGEABLE
Insulator,bushing
General Dynamics Mission Systems, Inc.
5305-00-558-6254 INTERCHANGEABLE
Screw,assembled Washer
5360-00-894-0559SC50314 INTERCHANGEABLE
Spring,helical,compression
Hdt Expeditionary Systems Inc
5133-00-990-818850314 INTERCHANGEABLE
Drill,masonry,power Hammer
Black and Decker Us Inc
6680-01-012-6061 INTERCHANGEABLE
Adapter,tachometer
2040-01-033-676950314 INTERCHANGEABLE
Lens Assembly,eyepi
L3 Technologies, Inc. Div L3 Keo
4820-01-074-507060249-2 INTERCHANGEABLE
Valve,safety Relief
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
Cross-Reference Index
Part NumberManufacturer
5031-4 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
NY10-030 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5970-00-253-9871INTERCHANGEABLE
INSULATOR,BUSHING
NY10-030
5210-00-274-2857INTERCHANGEABLE
GAGE,THICKNESS
5026
4320-00-300-4760INTERCHANGEABLE
PROPELLER,PUMP
10900570
5970-00-411-5927INTERCHANGEABLE
INSULATOR,BUSHING
86-159486-2
5305-00-558-6254INTERCHANGEABLE
SCREW,ASSEMBLED WASHER
5360-00-894-0559INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
SC50314
5133-00-990-8188INTERCHANGEABLE
DRILL,MASONRY,POWER HAMMER
50314
6680-01-012-6061INTERCHANGEABLE
ADAPTER,TACHOMETER
2040-01-033-6769INTERCHANGEABLE
LENS ASSEMBLY,EYEPI
50314
4820-01-074-5070INTERCHANGEABLE
VALVE,SAFETY RELIEF
60249-2
6680-01-123-3518INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
50314
4730-01-331-2866INTERCHANGEABLE
COUPLING,TUBE
50314-50

Frequently Asked Questions

What is NSN 5310-00-003-4911?

NSN 5310-00-003-4911 is a Washer,shouldered, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-003-4911?

NSN 5310-00-003-4911 has 2 cross-referenced part numbers: 5031-4 (L3harris Technologies, Inc. Div Space and Airborne Systems), NY10-030 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5310-00-003-4911?

There are 12 known substitutes for 5310-00-003-4911: 5970-00-253-9871, 5210-00-274-2857, 4320-00-300-4760 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5031-4?

Key specifications for 5031-4: Hole Diameter: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN; Material Thickness: 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Outside Diameter: 0.389 INCHES MINIMUM AND 0.409 INCHES MAXIMUM IN; Shoulder Diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM 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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