PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AK-521Str-Ga Assembly,4in

Solventum Purification Inc. Div Filtration and Separation Division · NSN 4730-01-249-1062 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-249-1062 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-249-1062. Primary manufacturer part number: AK-521.
Features
  • Str-Ga Assembly,4in — FSC 4730
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 2 verified cross-references
  • Primary manufacturer: Solventum Purification Inc. Div Filtration and Separation Division
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Str-Ga Assembly,4in, cataloged under National Stock Number 4730-01-249-1062, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Solventum Purification Inc. Div Filtration and Separation Division. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-249-1062
Primary Part NumberAK-521
Item NameStr-Ga Assembly,4in
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSolventum Purification Inc. Div Filtration and Separation Division
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-293-2186 INTERCHANGEABLE
Gland
2940-00-880-385542091 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
4820-01-239-3742N49228 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
3450-01-603-71434209-1 INTERCHANGEABLE
Drilling Machine,upright
Milwaukee Electric Tool Corp Dba Milwaukee Electric Tools
Cross-Reference Index
Part NumberManufacturer
AK-521 Solventum Purification Inc. Div Filtration and Separation Division (USA)
42091 Solventum Purification Inc. Div Filtration and Separation Division (USA)
Related Parts
5330-00-293-2186INTERCHANGEABLE
GLAND
2940-00-880-3855INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42091
4820-01-239-3742INTERCHANGEABLE
STEM,FLUID VALVE
N49228
3450-01-603-7143INTERCHANGEABLE
DRILLING MACHINE,UPRIGHT
4209-1

Frequently Asked Questions

What is NSN 4730-01-249-1062?

NSN 4730-01-249-1062 is a Str-Ga Assembly,4in, manufactured by Solventum Purification Inc. Div Filtration and Separation Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-249-1062?

NSN 4730-01-249-1062 has 2 cross-referenced part numbers: AK-521 (Solventum Purification Inc. Div Filtration and Separation Division), 42091 (Solventum Purification Inc. Div Filtration and Separation Division).

What NSN replaces 4730-01-249-1062?

There are 4 known substitutes for 4730-01-249-1062: 5330-00-293-2186, 2940-00-880-3855, 4820-01-239-3742 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AK-521?

Key specifications for AK-521: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER 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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