PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

181Stopper,bottle

Niagara Plastics L.l.c. · NSN 6640-01-254-4163 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-01-254-4163 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-254-4163. Primary manufacturer part number: 181.
Features
  • Stopper,bottle — FSC 6640
  • Material: PLASTIC, POLYETHYLENE (PP)
  • Top Diameter: 0.486 INCHES IN
  • Head Type: PENNY
  • Bottom Diameter: 0.422 INCHES IN
  • 2 verified cross-references
  • Primary manufacturer: Niagara Plastics L.l.c.
Applications
  • Applications requiring Plastic, Polyethylene (pp) construction
General Description

The Stopper,bottle, cataloged under National Stock Number 6640-01-254-4163, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Niagara Plastics L.l.c.. Government technical data includes 4 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6640-01-254-4163
Primary Part Number181
Item NameStopper,bottle
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerNiagara Plastics L.l.c.
StatusACTIVE
MaterialPLASTIC, POLYETHYLENE (PP)
Top Diameter0.486 INCHES IN
Head TypePENNY
Bottom Diameter0.422 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-120-31012004480 INTERCHANGEABLE
Bearing,roller,needle
Garwood/feller Inc Garwood Winch Div
Cross-Reference Index
Part NumberManufacturer
181 PRIMARY Niagara Plastics L.l.c. (USA)
0728 La Motte Chemical Products Co Inc, the Dba La Motte Company (USA)
Related Parts
3110-00-120-3101INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
2004480

Frequently Asked Questions

What is NSN 6640-01-254-4163?

NSN 6640-01-254-4163 is a Stopper,bottle, manufactured by Niagara Plastics L.l.c., classified under FSC 6640 (No Item Name Available). Status: active.

What are the part numbers for NSN 6640-01-254-4163?

NSN 6640-01-254-4163 has 2 cross-referenced part numbers: 181 (Niagara Plastics L.l.c.), 0728 (La Motte Chemical Products Co Inc, the Dba La Motte Company).

What NSN replaces 6640-01-254-4163?

There is 1 known substitute for 6640-01-254-4163: 3110-00-120-3101. Verify interchangeability with system specifications before substitution.

What are the specifications of 181?

Key specifications for 181: Material: PLASTIC, POLYETHYLENE (PP); Top Diameter: 0.486 INCHES IN; Special Features: TAPERED PLUG; USED W/TEST TUBE LA MOTTE 0822; Head Type: PENNY. 6 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