PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AF521Gasket

Gast Mfg Corp · NSN 5330-00-166-1487 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-166-1487 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-166-1487. Primary manufacturer part number: AF521.
Features
  • Gasket — FSC 5330
  • Supplementary Features: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
  • 2 verified cross-references
  • Primary manufacturer: Gast Mfg Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Gasket, cataloged under National Stock Number 5330-00-166-1487, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Gast Mfg Corp. Government technical data includes 1 verified specification, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-166-1487
Primary Part NumberAF521
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerGast Mfg Corp
StatusACTIVE
Supplementary FeaturesCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2940-00-852-374340-0000626 INTERCHANGEABLE
Filter Element,intake Air Cleane
Brinkley Technology Group Llc Dba Hercules Manufacturing
Cross-Reference Index
Part NumberManufacturer
A23636&1 Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies (USA)
AF521 PRIMARY Gast Mfg Corp (USA)
Related Parts
2940-00-852-3743INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
40-0000626

Frequently Asked Questions

What is NSN 5330-00-166-1487?

NSN 5330-00-166-1487 is a Gasket, manufactured by Gast Mfg Corp, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-166-1487?

NSN 5330-00-166-1487 has 2 cross-referenced part numbers: A23636&1 (Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies), AF521 (Gast Mfg Corp).

What NSN replaces 5330-00-166-1487?

There is 1 known substitute for 5330-00-166-1487: 2940-00-852-3743. Verify interchangeability with system specifications before substitution.

What are the specifications of AF521?

Key specifications for AF521: Special Features: STYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200; Supplementary Features: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200. 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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