PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CA11057-18Cap,protective,dust and Moisture

Air & Liquid Systems Corporation Dba Buffalo Pumps · NSN 5340-01-184-6679 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-184-6679 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-184-6679. Primary manufacturer part number: CA11057-18.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Material: NICKEL
  • Inside Diameter Length: 0.750 INCHES NOMINAL IN
  • Material Document and Classification: QQ-N-281, CLASS A OR CLASS B FED SPEC SINGLE MATERIAL RESPONSE
  • Tube Outside Diameter for Which Designed: 2.533 INCHES MINIMUM AND 2.536 INCHES MAXIMUM IN
  • Overall Diameter: 3.370 INCHES MINIMUM AND 3.375 INCHES MAXIMUM IN
  • Design Type: FRICTION
  • 2 verified cross-references
Applications
  • Applications requiring Nickel construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-184-6679, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Air & Liquid Systems Corporation Dba Buffalo Pumps. Government technical data includes 6 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-184-6679
Primary Part NumberCA11057-18
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerAir & Liquid Systems Corporation Dba Buffalo Pumps
StatusACTIVE
MaterialNICKEL
Inside Diameter Length0.750 INCHES NOMINAL IN
Material Document and ClassificationQQ-N-281, CLASS A OR CLASS B FED SPEC SINGLE MATERIAL RESPONSE
Tube Outside Diameter for Which Designed2.533 INCHES MINIMUM AND 2.536 INCHES MAXIMUM IN
Overall Diameter3.370 INCHES MINIMUM AND 3.375 INCHES MAXIMUM IN
Design TypeFRICTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
5360-00-976-1143 INTERCHANGEABLE
Spring
4730-01-478-3773P10MT8 INTERCHANGEABLE
Tee,pipe to Tube
Parker-Hannifin Corp Div Parflex Division
Cross-Reference Index
Part NumberManufacturer
01922 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
CA11057-18 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
Related Parts
5360-00-976-1143INTERCHANGEABLE
SPRING
4730-01-478-3773INTERCHANGEABLE
TEE,PIPE TO TUBE
P10MT8

Frequently Asked Questions

What is NSN 5340-01-184-6679?

NSN 5340-01-184-6679 is a Cap,protective,dust and Moisture, manufactured by Air & Liquid Systems Corporation Dba Buffalo Pumps, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-184-6679?

NSN 5340-01-184-6679 has 2 cross-referenced part numbers: 01922 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), CA11057-18 (Air & Liquid Systems Corporation Dba Buffalo Pumps).

What NSN replaces 5340-01-184-6679?

There are 2 known substitutes for 5340-01-184-6679: 5360-00-976-1143, 4730-01-478-3773. Verify interchangeability with system specifications before substitution.

What are the specifications of CA11057-18?

Key specifications for CA11057-18: Material: NICKEL; Special Features: 2 THD HOLES THRU SIDEWALL OF CAP 90 DEG APART 5/16-18 NC; Inside Diameter Length: 0.750 INCHES NOMINAL IN; Material Document and Classification: QQ-N-281, CLASS A OR CLASS B FED SPEC SINGLE MATERIAL RESPONSE. 7 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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