PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PSS-FFFPumice

Black & Company · NSN 5350-00-161-9033 · FSC 5350 · No Item Name Available
Verified by PartsTable
NSN 5350-00-161-9033 — this item is cataloged by the U.S. Government under National Stock Number 5350-00-161-9033. Primary manufacturer part number: PSS-FFF.
Features
  • Pumice — FSC 5350
  • Physical Form: POWDER
  • Nondefinitive Spec/std Data: FFF GRADE
  • Medical Designation and Grade: TECHNICAL
  • Abrasive Flour Grade Designator: FFF
  • 4 verified cross-references
  • Primary manufacturer: Black & Company
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Pumice, cataloged under National Stock Number 5350-00-161-9033, is classified within Federal Supply Class 5350 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Black & Company. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5350-00-161-9033
Primary Part NumberPSS-FFF
Item NamePumice
FSC / FSG5350 / 53 — No Item Name Available
ManufacturerBlack & Company
StatusCANCELLED
Physical FormPOWDER
Nondefinitive Spec/std DataFFF GRADE
Medical Designation and GradeTECHNICAL
Abrasive Flour Grade DesignatorFFF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5350-00-161-9034FFF INTERCHANGEABLE
Pumice
Kramer Industries, Inc
5350-00-195-2565PUM205 INTERCHANGEABLE
Pumice
His Glassworks, Inc
5350-00-223-5582 INTERCHANGEABLE
Pumice
5350-00-848-9651PUMICE F GRADE INTERCHANGEABLE
Pumice
Heraeus Kulzer Inc Dental Products Div
5350-01-032-6145 INTERCHANGEABLE
Pumice
5350-01-032-7482 INTERCHANGEABLE
Pumice
Cross-Reference Index
Part NumberManufacturer
MFG1435-77 Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
SS-P-821 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
SS-P-821 GRFFF General Services Administration Federal Supply Service (USA)
PSS-FFF PRIMARY Black & Company (USA)
Related Parts
5350-00-161-9034INTERCHANGEABLE
PUMICE
FFF
5350-00-195-2565INTERCHANGEABLE
PUMICE
PUM205
5350-00-223-5582INTERCHANGEABLE
PUMICE
5350-00-848-9651INTERCHANGEABLE
PUMICE
PUMICE F GRADE
5350-01-032-6145INTERCHANGEABLE
PUMICE
5350-01-032-7482INTERCHANGEABLE
PUMICE

Frequently Asked Questions

What is NSN 5350-00-161-9033?

NSN 5350-00-161-9033 is a Pumice, manufactured by Black & Company, classified under FSC 5350 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5350-00-161-9033?

NSN 5350-00-161-9033 has 4 cross-referenced part numbers: MFG1435-77 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems), SS-P-821 (Federal Specifications Promulgated by General Services Administration Washington DC), SS-P-821 GRFFF (General Services Administration Federal Supply Service), PSS-FFF (Black & Company).

What NSN replaces 5350-00-161-9033?

There are 6 known substitutes for 5350-00-161-9033: 5350-00-161-9034, 5350-00-195-2565, 5350-00-223-5582 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PSS-FFF?

Key specifications for PSS-FFF: Physical Form: POWDER; Nondefinitive Spec/std Data: FFF GRADE; Medical Designation and Grade: TECHNICAL; Special Features: 1 LB,UNIT QTY LBS. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5350-00-161-9033 still in active supply?

NSN 5350-00-161-9033 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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