NSN 5340-01-705-8479 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-705-8479. Manufacturer of record part number: EC311.
Material Document and Classification: MANUFACTURE REFERENCE MFR REF SINGLE MATERIAL RESPONSE
Material: RUBBER
Inside Diameter Length: 19.05 MILLIMETERS NOMINAL MM
Round Cap Outside Surface Condition: SMOOTH
2 manufacturer part numbers on file
Manufacturer of record: Sinclair & Rush, Inc. Dba Sinclair & Rush Inc
Identification
NSN: 5340-01-705-8479
NIIN: 017058479
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: EC311
Manufacturer: Sinclair & Rush, Inc. Dba Sinclair & Rush Inc
General Description
The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-705-8479, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Sinclair & Rush, Inc. Dba Sinclair & Rush Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5340-01-705-8479
Primary Part Number
EC311
Item Name
Cap,protective,dust and Moisture
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Sinclair & Rush, Inc. Dba Sinclair & Rush Inc
Status
ACTIVE
Design Type
MOLDED
Material Document and Classification
MANUFACTURE REFERENCE MFR REF SINGLE MATERIAL RESPONSE
Material
RUBBER
Inside Diameter Length
19.05 MILLIMETERS NOMINAL MM
Round Cap Outside Surface Condition
SMOOTH
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Sinclair & Rush, Inc. Dba Sinclair & Rush Inc (USA)
No interchangeability data on file.
Other items in FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068
COVER,ACCESS
5340-00-000-0132
SEAT,HELICAL COMPRESSION SPRING
5340-00-000-8150
5340-00-000-8150 · Item name not on file
5340-00-001-1251
5340-00-001-1251 · Item name not on file
5340-00-001-1264
STRAP,WEBBING
5340-00-001-1265
STRAP,WEBBING
5340-00-001-1266
STRAP,WEBBING
5340-00-001-1275
HANDLE,DOOR
Frequently Asked Questions
What is NSN 5340-01-705-8479?
NSN 5340-01-705-8479 is a Cap,protective,dust and Moisture, manufactured by Sinclair & Rush, Inc. Dba Sinclair & Rush Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-01-705-8479?
NSN 5340-01-705-8479 has 2 manufacturer part numbers on file: 042000 (Tld Europe), EC311 (Sinclair & Rush, Inc. Dba Sinclair & Rush Inc).
What are the specifications of EC311?
Key specifications for EC311: Design Type: MOLDED; Material Document and Classification: MANUFACTURE REFERENCE MFR REF SINGLE MATERIAL RESPONSE; Overall Length: 38.10 MILLIMETERS NOMINAL MM; Special Features: CAP COLOR IS BLACK,WALL THACKNESS IS 1.52 MILLIMETERS NOMINAL,TEMPERATURE RANGE 316 DEGREES CELSIUS NOMINAL,USED ON AIRPOART HANDLING EQUIPMENT MM. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5340-01-705-8479 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.