PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30166Washer,shouldered

Fl Aerospace Corp Janitrol Aero Div/general Design · NSN 5310-01-092-3741 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-092-3741 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-092-3741. Primary manufacturer part number: 30166.
Features
  • Washer,shouldered — FSC 5310
  • Outside Diameter: 0.550 INCHES NOMINAL IN
  • Material: STEEL COMP 303 OVERALL
  • Style Designator: SHOULDERED
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Hole Diameter: 0.127 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Washer,shouldered, cataloged under National Stock Number 5310-01-092-3741, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fl Aerospace Corp Janitrol Aero Div/general Design. Government technical data includes 10 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-092-3741
Primary Part Number30166
Item NameWasher,shouldered
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFl Aerospace Corp Janitrol Aero Div/general Design
StatusACTIVE
Outside Diameter0.550 INCHES NOMINAL IN
MaterialSTEEL COMP 303 OVERALL
Style DesignatorSHOULDERED
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Material Document and ClassificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Hole Diameter0.127 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Shoulder Height0.060 INCHES NOMINAL IN
Shoulder Diameter0.440 INCHES NOMINAL IN
Material Thickness0.027 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-0346 INTERCHANGEABLE
Cup,tapered Roller Bearing
5310-00-166-3798 INTERCHANGEABLE
Washer,flat
6150-00-321-203130166 INTERCHANGEABLE
Wiring Harness
Vse Aviation, Inc.
5975-00-617-3458RG1 INTERCHANGEABLE
Cable Nipple,electrical
Sprague Electric Co World Hqs
5330-00-654-017130166 INTERCHANGEABLE
Packing Assembly
Brinkley Technology Group Llc Dba Hercules Manufacturing
1680-01-152-4284 INTERCHANGEABLE
Pan,floor,seat
5331-01-588-776630166 INTERCHANGEABLE
O-Ring Set
Bourns Inc
5305-01-669-815430166 INTERCHANGEABLE
Screw,cap,socket Head
Sea-Bird Electronics, Inc Dba Sea-Bird Scientific
Cross-Reference Index
Part NumberManufacturer
30166 Fl Aerospace Corp Janitrol Aero Div/general Design (USA)
Related Parts
3110-00-100-0346INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
5310-00-166-3798INTERCHANGEABLE
WASHER,FLAT
6150-00-321-2031INTERCHANGEABLE
WIRING HARNESS
30166
5975-00-617-3458INTERCHANGEABLE
CABLE NIPPLE,ELECTRICAL
RG1
5330-00-654-0171INTERCHANGEABLE
PACKING ASSEMBLY
30166
1680-01-152-4284INTERCHANGEABLE
PAN,FLOOR,SEAT
5331-01-588-7766INTERCHANGEABLE
O-RING SET
30166
5305-01-669-8154INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
30166

Frequently Asked Questions

What is NSN 5310-01-092-3741?

NSN 5310-01-092-3741 is a Washer,shouldered, manufactured by Fl Aerospace Corp Janitrol Aero Div/general Design, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-092-3741?

NSN 5310-01-092-3741 has 1 cross-referenced part number: 30166 (Fl Aerospace Corp Janitrol Aero Div/general Design).

What NSN replaces 5310-01-092-3741?

There are 8 known substitutes for 5310-01-092-3741: 3110-00-100-0346, 5310-00-166-3798, 6150-00-321-2031 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30166?

Key specifications for 30166: Outside Diameter: 0.550 INCHES NOMINAL IN; Material: STEEL COMP 303 OVERALL; Style Designator: SHOULDERED; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 10 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