PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B52-296-2Cap,protective,dust and Moisture

Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc · NSN 5340-01-128-1708 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-128-1708 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-128-1708. Primary manufacturer part number: B52-296-2.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Material: PLASTIC
  • Material Document and Classification: L-P-390, TYPE 1, CLASS L, GRADE 1 OR GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
  • Inside Diameter Length: 0.531 INCHES NOMINAL IN
  • Tube Outside Diameter for Which Designed: 2.040 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN
  • Design Type: FRICTION
  • Round Cap Outside Surface Condition: SMOOTH
  • Overall Diameter: 2.250 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-128-1708, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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.

Technical Specifications
ParameterValue
NSN5340-01-128-1708
Primary Part NumberB52-296-2
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerDrs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
StatusACTIVE
MaterialPLASTIC
Material Document and ClassificationL-P-390, TYPE 1, CLASS L, GRADE 1 OR GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
Inside Diameter Length0.531 INCHES NOMINAL IN
Tube Outside Diameter for Which Designed2.040 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN
Design TypeFRICTION
Round Cap Outside Surface ConditionSMOOTH
Overall Diameter2.250 INCHES NOMINAL IN
Opening Inside Diameter for Which Designed1.920 INCHES MINIMUM AND 1.940 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5340-00-500-5011 INTERCHANGEABLE
Cap,protective,dust and Moisture
5340-00-660-5248 INTERCHANGEABLE
Cap,protective,dust and Moisture
Cross-Reference Index
Part NumberManufacturer
B52-296-2 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
MS25178 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS25178-32 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5340-00-500-5011INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
5340-00-660-5248INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE

Frequently Asked Questions

What is NSN 5340-01-128-1708?

NSN 5340-01-128-1708 is a Cap,protective,dust and Moisture, manufactured by Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-128-1708?

NSN 5340-01-128-1708 has 3 cross-referenced part numbers: B52-296-2 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), MS25178 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS25178-32 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5340-01-128-1708?

There are 2 known substitutes for 5340-01-128-1708: 5340-00-500-5011, 5340-00-660-5248. Verify interchangeability with system specifications before substitution.

What are the specifications of B52-296-2?

Key specifications for B52-296-2: Material: PLASTIC; Material Document and Classification: L-P-390, TYPE 1, CLASS L, GRADE 1 OR GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE; Inside Diameter Length: 0.531 INCHES NOMINAL IN; Tube Outside Diameter for Which Designed: 2.040 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN. 9 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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