PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SR55Cap,protective,dust and Moisture

Sinclair & Rush, Inc. Dba Sinclair & Rush Inc · NSN 5340-01-203-5620 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-203-5620 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-203-5620. Primary manufacturer part number: SR55.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Material Document and Classification: L-P-390, TYPE 1, CLASS M, GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
  • Material: PLASTIC
  • Round Cap Outside Surface Condition: SMOOTH
  • Tube Outside Diameter for Which Designed: 1.238 INCHES NOMINAL IN
  • Inside Diameter Length: 0.900 INCHES NOMINAL IN
  • Design Type: FRICTION
  • Overall Diameter: 1.470 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-203-5620, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sinclair & Rush, Inc. Dba Sinclair & Rush Inc. Government technical data includes 7 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-203-5620
Primary Part NumberSR55
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerSinclair & Rush, Inc. Dba Sinclair & Rush Inc
StatusACTIVE
Material Document and ClassificationL-P-390, TYPE 1, CLASS M, GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
MaterialPLASTIC
Round Cap Outside Surface ConditionSMOOTH
Tube Outside Diameter for Which Designed1.238 INCHES NOMINAL IN
Inside Diameter Length0.900 INCHES NOMINAL IN
Design TypeFRICTION
Overall Diameter1.470 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
4730-00-893-6402479729B INTERCHANGEABLE
Strainer Element,sediment
Purolator Products Co Div Motor Components, Llc
3020-01-436-18251764AS115-1 INTERCHANGEABLE
Pulley,groove
Hampshire Specialty Products Inc
3020-01-436-5795 INTERCHANGEABLE
Pulley,groove
3020-01-436-58331741AS195-1 INTERCHANGEABLE
Pulley,groove
Jack West Cnc, Inc.
Cross-Reference Index
Part NumberManufacturer
A3013158-1 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
SR55 PRIMARY Sinclair & Rush, Inc. Dba Sinclair & Rush Inc (USA)
Related Parts
4730-00-893-6402INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
479729B
3020-01-436-1825INTERCHANGEABLE
PULLEY,GROOVE
1764AS115-1
3020-01-436-5795INTERCHANGEABLE
PULLEY,GROOVE
3020-01-436-5833INTERCHANGEABLE
PULLEY,GROOVE
1741AS195-1

Frequently Asked Questions

What is NSN 5340-01-203-5620?

NSN 5340-01-203-5620 is a Cap,protective,dust and Moisture, manufactured by Sinclair & Rush, Inc. Dba Sinclair & Rush Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-203-5620?

NSN 5340-01-203-5620 has 2 cross-referenced part numbers: A3013158-1 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), SR55 (Sinclair & Rush, Inc. Dba Sinclair & Rush Inc).

What NSN replaces 5340-01-203-5620?

There are 4 known substitutes for 5340-01-203-5620: 4730-00-893-6402, 3020-01-436-1825, 3020-01-436-5795 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SR55?

Key specifications for SR55: Material Document and Classification: L-P-390, TYPE 1, CLASS M, GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE; Material: PLASTIC; Special Features: COLOR FOREST GREEN; 3.500 IN. LG STRAP ATTACHED IN; Round Cap Outside Surface Condition: SMOOTH. 8 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