PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

637-HSBushing,nonmetallic

Lavelle Industries Inc · NSN 5365-01-045-2673 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-045-2673 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-045-2673. Primary manufacturer part number: 637-HS.
Features
  • Bushing,nonmetallic — FSC 5365
  • Design Type: SINGLE CENTRALLY LOCATED HOLE
  • Body Length: 0.312 INCHES NOMINAL IN
  • Flange Height: 0.188 INCHES NOMINAL IN
  • Center Hole Diameter: 0.125 INCHES NOMINAL IN
  • Nonmetallic Hardness Rating: 70.0 NOMINAL DUROMETER
  • Material: RUBBER SILICONE CLASS Q
  • Style Designator: ROUND FLANGED
Applications
  • Applications requiring Rubber Silicone Class Q construction
General Description

The Bushing,nonmetallic, cataloged under National Stock Number 5365-01-045-2673, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lavelle Industries Inc. Government technical data includes 9 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-045-2673
Primary Part Number637-HS
Item NameBushing,nonmetallic
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerLavelle Industries Inc
StatusACTIVE
Design TypeSINGLE CENTRALLY LOCATED HOLE
Body Length0.312 INCHES NOMINAL IN
Flange Height0.188 INCHES NOMINAL IN
Center Hole Diameter0.125 INCHES NOMINAL IN
Nonmetallic Hardness Rating70.0 NOMINAL DUROMETER
MaterialRUBBER SILICONE CLASS Q
Style DesignatorROUND FLANGED
Body Diameter0.312 INCHES NOMINAL IN
Flange Diameter0.437 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2815-00-337-17425175071 INTERCHANGEABLE
Cover,crankshaft Fr
Rolls-Royce Solutions America Inc
Cross-Reference Index
Part NumberManufacturer
637-HS Lavelle Industries Inc (USA)
517507-1 Bowmar Llc Dba Bowmar Instrument Corp (USA)
Related Parts
2815-00-337-1742INTERCHANGEABLE
COVER,CRANKSHAFT FR
5175071

Frequently Asked Questions

What is NSN 5365-01-045-2673?

NSN 5365-01-045-2673 is a Bushing,nonmetallic, manufactured by Lavelle Industries Inc, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-045-2673?

NSN 5365-01-045-2673 has 2 cross-referenced part numbers: 637-HS (Lavelle Industries Inc), 517507-1 (Bowmar Llc Dba Bowmar Instrument Corp).

What NSN replaces 5365-01-045-2673?

There is 1 known substitute for 5365-01-045-2673: 2815-00-337-1742. Verify interchangeability with system specifications before substitution.

What are the specifications of 637-HS?

Key specifications for 637-HS: Design Type: SINGLE CENTRALLY LOCATED HOLE; Body Length: 0.312 INCHES NOMINAL IN; Overall Length: 0.500 INCHES NOMINAL IN; Flange Height: 0.188 INCHES NOMINAL IN. 10 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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