Closure Size for Which Designed: NO. 9 RUBBER STOPPER
Overall Diameter: 4.250 INCHES NOMINAL IN
Glass Type: REAGENT RESISTANT
Legend Inscription: SOAP
Shape: ROUND
Departure From Cited Document: MIL-W-16642,PARA 3.2.2 REAGENT BOTTLES
Capacity Rating: 1.0 LITERS
Identification
NSN: 6640-00-253-2497
NIIN: 002532497
FSC: 6640 — Laboratory Equipment and Supplies
FSG: 66 — Instruments and Laboratory Equipment
General Description
The Bottle,stopper, cataloged under National Stock Number 6640-00-253-2497, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6640-00-253-2497
Item Name
Bottle,stopper
FSC / FSG
6640 / 66 — Laboratory Equipment and Supplies
Status
ACTIVE
Closure Size for Which Designed
NO. 9 RUBBER STOPPER
Overall Diameter
4.250 INCHES NOMINAL IN
Glass Type
REAGENT RESISTANT
Legend Inscription
SOAP
Shape
ROUND
Departure From Cited Document
MIL-W-16642,PARA 3.2.2 REAGENT BOTTLES
Capacity Rating
1.0 LITERS
Color
CLEAR, CRYSTAL
Label Type
PERMANENTLY APPLIED LETTERING
Closure Type
STOPPER AND STOPPER W/TWO HOLES
Material
GLASS LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6640-00-271-1398POSSIBLE MATCH
CASSEROLE,LABORATORY
Possible match (shared part number)
6640-00-290-0154POSSIBLE MATCH
ROD,STIRRING,LABORATORY
Possible match (shared part number)
6640-00-290-4408POSSIBLE MATCH
PIPETTE
Possible match (shared part number)
6640-00-291-1162002911162POSSIBLE MATCH
ASPIRATOR BULB ASSEMBLY
Possible match (shared part number)Dumbo Defense Inc
6640-00-292-36796640002923679POSSIBLE MATCH
CABINET,BOILER WATER TESTING KIT
Possible match (shared part number)Dresser-Argus, Inc Dba Dresser Argus Inc
6630-00-372-0839POSSIBLE MATCH
BOILER WATER TESTING KIT
Possible match (shared part number)
6640-00-702-25402540POSSIBLE MATCH
BOTTLE,STOPPER
Possible match (shared part number)Dumbo Defense Inc
6640-01-398-8554POSSIBLE MATCH
BULB,CIRCULATING,LABORATORY
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
MILW16642
4/1Identification reference
U.S. Government activity
Related Parts
6640-00-271-1398POSSIBLE MATCH
CASSEROLE,LABORATORY
6640-00-290-0154POSSIBLE MATCH
ROD,STIRRING,LABORATORY
6640-00-290-4408POSSIBLE MATCH
PIPETTE
6640-00-291-1162POSSIBLE MATCH
ASPIRATOR BULB ASSEMBLY
002911162
6640-00-292-3679POSSIBLE MATCH
CABINET,BOILER WATER TESTING KIT
6640002923679
6630-00-372-0839POSSIBLE MATCH
BOILER WATER TESTING KIT
6640-00-702-2540POSSIBLE MATCH
BOTTLE,STOPPER
2540
6640-01-398-8554POSSIBLE MATCH
BULB,CIRCULATING,LABORATORY
Frequently Asked Questions
What is NSN 6640-00-253-2497?
NSN 6640-00-253-2497 is a Bottle,stopper, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
What NSN replaces 6640-00-253-2497?
8 possible matches (shared part number, not a government interchangeability claim): 6640-00-271-1398, 6640-00-290-0154, 6640-00-290-4408. Verify interchangeability with system specifications before substitution.
What are the specifications of 6640-00-253-2497?
Key specifications for 6640-00-253-2497: Overall Height: 8.000 INCHES NOMINAL IN; Closure Size for Which Designed: NO. 9 RUBBER STOPPER; Overall Diameter: 4.250 INCHES NOMINAL IN; Glass Type: REAGENT RESISTANT. 11 specifications are documented in the U.S. Government catalog.
Is NSN 6640-00-253-2497 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.