PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1635Mouthpiece,disposable

Regent Steel Specialties Ltd · NSN 6515-01-320-6653 · FSC 6515 · No Item Name Available
Verified by PartsTable
NSN 6515-01-320-6653 — this item is cataloged by the U.S. Government under National Stock Number 6515-01-320-6653. Primary manufacturer part number: 1635.
Features
  • Mouthpiece,disposable — FSC 6515
  • Material: PAPER OVERALL
  • 3 verified cross-references
  • Primary manufacturer: Regent Steel Specialties Ltd
Applications
  • Applications requiring Paper Overall construction
General Description

The Mouthpiece,disposable, cataloged under National Stock Number 6515-01-320-6653, is classified within Federal Supply Class 6515 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Regent Steel Specialties Ltd. Government technical data includes 1 verified specification, 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. Unit of issue: PG.

Technical Specifications
ParameterValue
NSN6515-01-320-6653
Primary Part Number1635
Item NameMouthpiece,disposable
FSC / FSG6515 / 65 — No Item Name Available
ManufacturerRegent Steel Specialties Ltd
StatusACTIVE
MaterialPAPER OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssuePG
Verified Substitutes 2
5340-00-472-29611635 SUCCESSOR
Handle,bow
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
Bandage,intravenous
Cross-Reference Index
Part NumberManufacturer
90-3-6-19 FS Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa (USA)
1635 PRIMARY Regent Steel Specialties Ltd (CAN)
A90B036 Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa (USA)
Related Parts
5340-00-472-2961SUCCESSOR
HANDLE,BOW
1635
6515-01-470-2730SUCCESSOR
BANDAGE,INTRAVENOUS

Frequently Asked Questions

What is NSN 6515-01-320-6653?

NSN 6515-01-320-6653 is a Mouthpiece,disposable, manufactured by Regent Steel Specialties Ltd, classified under FSC 6515 (No Item Name Available). Status: active.

What are the part numbers for NSN 6515-01-320-6653?

NSN 6515-01-320-6653 has 3 cross-referenced part numbers: 90-3-6-19 FS (Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa), 1635 (Regent Steel Specialties Ltd), A90B036 (Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa).

What NSN replaces 6515-01-320-6653?

There are 2 known substitutes for 6515-01-320-6653: 5340-00-472-2961, 6515-01-470-2730. Verify interchangeability with system specifications before substitution.

What are the specifications of 1635?

Key specifications for 1635: Special Features: FITS CYBERMEDIC PULMONARY FUNCTION EQUIPMENT; OUTSIDE DIAM 1.035 IN.; WHITE; PERFORMS PULMONARY FUNCTION TEST ON PATIENTS IN; Material: PAPER OVERALL; Overall Length: 2.625 INCHES NOMINAL IN. 3 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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