PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1684-635Impression Material,dental

Benco Dental Supply Co. · NSN 6520-01-137-8472 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-01-137-8472 — this item is cataloged by the U.S. Government under National Stock Number 6520-01-137-8472. Primary manufacturer part number: 1684-635.
Features
  • Impression Material,dental — FSC 6520
  • Hydrocolloid Base Type: ALGINATE
  • Workable Consistency Temp Rating: 73.0 FAHRENHEIT NOMINAL DEGF
  • Furnished Items and Quantity: C/O POWDER AND MEASURING VESSELS
  • Physical Form: POWDER
  • 3 verified cross-references
  • Primary manufacturer: Benco Dental Supply Co.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Impression Material,dental, cataloged under National Stock Number 6520-01-137-8472, is classified within Federal Supply Class 6520 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Benco Dental Supply Co.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: CN.

Technical Specifications
ParameterValue
NSN6520-01-137-8472
Primary Part Number1684-635
Item NameImpression Material,dental
FSC / FSG6520 / 65 — No Item Name Available
ManufacturerBenco Dental Supply Co.
StatusACTIVE
Hydrocolloid Base TypeALGINATE
Workable Consistency Temp Rating73.0 FAHRENHEIT NOMINAL DEGF
Furnished Items and QuantityC/O POWDER AND MEASURING VESSELS
Physical FormPOWDER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueCN
Verified Substitutes 3
5310-00-292-42797044864 INTERCHANGEABLE
Washer,flat
Brinkley Technology Group Llc Dba Hercules Manufacturing
2840-00-396-4341605502 INTERCHANGEABLE
Plate,component Mounting,aircraf
Curtiss-Wright Controls, Inc. Div Actuation Division
6515-01-122-068900-3010-002-00 INTERCHANGEABLE
Retractor,general Operating
Zimmer, Inc. Dba Z Hotel
Cross-Reference Index
Part NumberManufacturer
1684-635 Benco Dental Supply Co. (USA)
605502 Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division (USA)
222-2723 Henry Schein, Inc. (USA)
Related Parts
5310-00-292-4279INTERCHANGEABLE
WASHER,FLAT
7044864
2840-00-396-4341INTERCHANGEABLE
PLATE,COMPONENT MOUNTING,AIRCRAF
605502
6515-01-122-0689INTERCHANGEABLE
RETRACTOR,GENERAL OPERATING
00-3010-002-00

Frequently Asked Questions

What is NSN 6520-01-137-8472?

NSN 6520-01-137-8472 is a Impression Material,dental, manufactured by Benco Dental Supply Co., classified under FSC 6520 (No Item Name Available). Status: active.

What are the part numbers for NSN 6520-01-137-8472?

NSN 6520-01-137-8472 has 3 cross-referenced part numbers: 1684-635 (Benco Dental Supply Co.), 605502 (Dentsply Sirona Inc. Dba Dentsply Caulk Div Caulk Division), 222-2723 (Henry Schein, Inc.).

What NSN replaces 6520-01-137-8472?

There are 3 known substitutes for 6520-01-137-8472: 5310-00-292-4279, 2840-00-396-4341, 6515-01-122-0689. Verify interchangeability with system specifications before substitution.

What are the specifications of 1684-635?

Key specifications for 1684-635: Special Features: HYDROCOLLOID; REGULAR SET; LOW DUST; UNIT WEIGHT: 454 GRAMS G; Hydrocolloid Base Type: ALGINATE; Workable Consistency Temp Rating: 73.0 FAHRENHEIT NOMINAL DEGF; Part Name Assigned by Controlling Agency: IMPRESSION MATL DEN POWDER HYDROCOLLOID ALGINATE REG SET 1 LB LBS. 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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