PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13621Cup

The Timken Corporation · NSN 4250-01-538-8668 · FSC 4250 · Reclaimer,refrigerant
Verified by PartsTable
NSN 4250-01-538-8668 — this item is cataloged by the U.S. Government under National Stock Number 4250-01-538-8668. Primary manufacturer part number: 13621.
Features
  • Cup — FSC 4250
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 2 verified cross-references
  • Primary manufacturer: The Timken Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cup, cataloged under National Stock Number 4250-01-538-8668, is classified within Federal Supply Class 4250 (Reclaimer,refrigerant) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is The Timken Corporation. Government technical data includes 2 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4250-01-538-8668
Primary Part Number13621
Item NameCup
FSC / FSG4250 / 42 — Reclaimer,refrigerant
ManufacturerThe Timken Corporation
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-100-0512 INTERCHANGEABLE
Cup,tapered Roller Bearing
8125-00-271-158713621 INTERCHANGEABLE
Stopper,bottle
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5845-00-339-200313621 INTERCHANGEABLE
Gear Assy
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
6630-00-483-2831 INTERCHANGEABLE
Cleaner and Drier,visometer
6685-00-526-9006 INTERCHANGEABLE
Thermometer,indicating,capillary
5950-00-735-180413621 INTERCHANGEABLE
Transformer,audio Frequency
Torotel, Inc. Div Torotel Products, Inc.
5950-01-230-9622732519-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Div Rmd Strategic
3450-01-449-408313621 INTERCHANGEABLE
Threading Machine,pipe and Bolt
Ridge Tool Company
4250-01-538-8669 INTERCHANGEABLE
Cone and Seals
5365-01-602-384213621 INTERCHANGEABLE
Sleeve,adap
DP Manufacturing Inc.
Cross-Reference Index
Part NumberManufacturer
13621 The Timken Corporation (USA)
6271E42-ITEM19 Fluor Marine Propulsion, Llc (USA)
Related Parts
3110-00-100-0512INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
8125-00-271-1587INTERCHANGEABLE
STOPPER,BOTTLE
13621
5845-00-339-2003INTERCHANGEABLE
GEAR ASSY
13621
6630-00-483-2831INTERCHANGEABLE
CLEANER AND DRIER,VISOMETER
6685-00-526-9006INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
5950-00-735-1804INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
13621
5950-01-230-9622INTERCHANGEABLE
TRANSFORMER,POWER
732519-1
3450-01-449-4083INTERCHANGEABLE
THREADING MACHINE,PIPE AND BOLT
13621
4250-01-538-8669INTERCHANGEABLE
CONE AND SEALS
5365-01-602-3842INTERCHANGEABLE
SLEEVE,ADAP
13621

Frequently Asked Questions

What is NSN 4250-01-538-8668?

NSN 4250-01-538-8668 is a Cup, manufactured by The Timken Corporation, classified under FSC 4250 (Reclaimer,refrigerant). Status: active.

What are the part numbers for NSN 4250-01-538-8668?

NSN 4250-01-538-8668 has 2 cross-referenced part numbers: 13621 (The Timken Corporation), 6271E42-ITEM19 (Fluor Marine Propulsion, Llc).

What NSN replaces 4250-01-538-8668?

There are 10 known substitutes for 4250-01-538-8668: 3110-00-100-0512, 8125-00-271-1587, 5845-00-339-2003 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13621?

Key specifications for 13621: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 2 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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