PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1604-181Cap,protective,dust and Moisture

Pennwalt Corp S S White Div · NSN 5340-00-297-2406 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-297-2406 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-297-2406. Primary manufacturer part number: 1604-181.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Thread Size and Series/type Designator: 3/4-16 UNF
  • Material: PLASTIC
  • Overall Diameter: 0.938 INCHES NOMINAL IN
  • Inside Diameter Length: 0.438 INCHES NOMINAL IN
  • Design Type: THREADED
  • Round Cap Outside Surface Condition: RIBBED
  • 5 verified cross-references
Applications
  • Applications requiring Plastic construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-297-2406, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pennwalt Corp S S White Div. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5340-00-297-2406
Primary Part Number1604-181
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerPennwalt Corp S S White Div
StatusACTIVE
Thread Size and Series/type Designator3/4-16 UNF
MaterialPLASTIC
Overall Diameter0.938 INCHES NOMINAL IN
Inside Diameter Length0.438 INCHES NOMINAL IN
Design TypeTHREADED
Round Cap Outside Surface ConditionRIBBED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-156-4875160229 INTERCHANGEABLE
Bearing,ball,annular
Peerless Pump a Tbg Inc Co
3110-00-156-48803B5530 INTERCHANGEABLE
Bearing,ball,annular
Dana Off Highway Products, Llc
4730-00-278-4357SAE J512 4-2 060102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
3455-01-032-2898 INTERCHANGEABLE
File,rotary
5355-01-640-7060M1-81 INTERCHANGEABLE
Knob
Southco Inc
Cross-Reference Index
Part NumberManufacturer
1604-181 Pennwalt Corp S S White Div (USA)
1604-181 Pennwalt Corp S S White Industrial Products Div (USA)
1604-181 Robroy Industries Inc Robroy Plastics Div (USA)
M-181 Robroy Industries Inc Robroy Plastics Div (USA)
5340PL1879926 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
3110-00-156-4875INTERCHANGEABLE
BEARING,BALL,ANNULAR
160229
3110-00-156-4880INTERCHANGEABLE
BEARING,BALL,ANNULAR
3B5530
4730-00-278-4357INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 4-2 060102BA
3455-01-032-2898INTERCHANGEABLE
FILE,ROTARY
5355-01-640-7060INTERCHANGEABLE
KNOB
M1-81

Frequently Asked Questions

What is NSN 5340-00-297-2406?

NSN 5340-00-297-2406 is a Cap,protective,dust and Moisture, manufactured by Pennwalt Corp S S White Div, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-297-2406?

NSN 5340-00-297-2406 has 5 cross-referenced part numbers: 1604-181 (Pennwalt Corp S S White Div), 1604-181 (Pennwalt Corp S S White Industrial Products Div), 1604-181 (Robroy Industries Inc Robroy Plastics Div), M-181 (Robroy Industries Inc Robroy Plastics Div), 5340PL1879926 (Jednolity Indeks Materialowy - Uniform Material Index).

What NSN replaces 5340-00-297-2406?

There are 5 known substitutes for 5340-00-297-2406: 3110-00-156-4875, 3110-00-156-4880, 4730-00-278-4357 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1604-181?

Key specifications for 1604-181: Thread Size and Series/type Designator: 3/4-16 UNF; Material: PLASTIC; Overall Diameter: 0.938 INCHES NOMINAL IN; Inside Diameter Length: 0.438 INCHES NOMINAL IN. 6 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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