PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

154521L1Screw,machine

Naval Inventory Control Point Mechanicsburg · NSN 5305-01-641-4605 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-641-4605 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-641-4605. Primary manufacturer part number: 154521L1.
Features
  • Screw,machine — FSC 5305
  • Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
  • Criticality Code Justification: ZZZY
  • 4 verified cross-references
  • Primary manufacturer: Naval Inventory Control Point Mechanicsburg
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-641-4605, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-641-4605
Primary Part Number154521L1
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-01-227-6233050B303GSP001 INTERCHANGEABLE
Gasket
The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C
Cross-Reference Index
Part NumberManufacturer
154521L1 Naval Inventory Control Point Mechanicsburg (USA)
226914 ITEM 19 L1 Naval Inventory Control Point Mechanicsburg (USA)
154521 Marotta Controls Inc (USA)
226914 ITEM 19 Marotta Controls Inc (USA)
Related Parts
5330-01-227-6233INTERCHANGEABLE
GASKET
050B303GSP001

Frequently Asked Questions

What is NSN 5305-01-641-4605?

NSN 5305-01-641-4605 is a Screw,machine, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-641-4605?

NSN 5305-01-641-4605 has 4 cross-referenced part numbers: 154521L1 (Naval Inventory Control Point Mechanicsburg), 226914 ITEM 19 L1 (Naval Inventory Control Point Mechanicsburg), 154521 (Marotta Controls Inc), 226914 ITEM 19 (Marotta Controls Inc).

What NSN replaces 5305-01-641-4605?

There is 1 known substitute for 5305-01-641-4605: 5330-01-227-6233. Verify interchangeability with system specifications before substitution.

What are the specifications of 154521L1?

Key specifications for 154521L1: Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS; Criticality Code Justification: ZZZY; Part Name Assigned by Controlling Agency: SCREW. 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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