PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B330Gasket

Gast Mfg Corp · NSN 5330-00-986-1238 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-986-1238 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-986-1238. Primary manufacturer part number: B330.
Features
  • Gasket — FSC 5330
  • Outside Diameter: 3.875 INCHES NOMINAL IN
  • Material: PAPER OVERALL
  • Aperture Diameter: 2.906 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • 1 verified cross-reference
  • Primary manufacturer: Gast Mfg Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Paper Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-986-1238, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-986-1238
Primary Part NumberB330
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerGast Mfg Corp
StatusACTIVE
Outside Diameter3.875 INCHES NOMINAL IN
MaterialPAPER OVERALL
Aperture Diameter2.906 INCHES NOMINAL IN
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4520-00-383-215653886 INTERCHANGEABLE
Heating Element,electrical,nonim
Square D Co Cedar Rapids Mfg Plant
8455-00-577-5267 INTERCHANGEABLE
Insignia,grade,enlisted Personne
8455-00-577-5297 INTERCHANGEABLE
Insignia,grade,enlisted Personne
8455-00-577-5305 INTERCHANGEABLE
Insignia,grade,enlisted Personne
8455-00-656-1381 INTERCHANGEABLE
Insignia,grade,enlisted Personne
6110-00-754-7677B3-30 INTERCHANGEABLE
Protector,thermal-Overload,elect
Schneider Electric Usa, Inc.
6240-00-851-435210051850 INTERCHANGEABLE
Lamp,incandescent
Us Army Aviation and Missile Command
8455-01-048-3006 INTERCHANGEABLE
Insignia,grade,enlisted Personne
5925-01-387-6473B330 INTERCHANGEABLE
Circuit Breaker
Siemens Energy and Automation Inc Ite Circuit Protection Div
4140-01-486-156279C0050-00 INTERCHANGEABLE
Fan,tubeaxial
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Cross-Reference Index
Part NumberManufacturer
B330 PRIMARY Gast Mfg Corp (USA)
Related Parts
4520-00-383-2156INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
53886
8455-00-577-5267INTERCHANGEABLE
INSIGNIA,GRADE,ENLISTED PERSONNE
8455-00-577-5297INTERCHANGEABLE
INSIGNIA,GRADE,ENLISTED PERSONNE
8455-00-577-5305INTERCHANGEABLE
INSIGNIA,GRADE,ENLISTED PERSONNE
8455-00-656-1381INTERCHANGEABLE
INSIGNIA,GRADE,ENLISTED PERSONNE
6110-00-754-7677INTERCHANGEABLE
PROTECTOR,THERMAL-OVERLOAD,ELECT
B3-30
6240-00-851-4352INTERCHANGEABLE
LAMP,INCANDESCENT
10051850
8455-01-048-3006INTERCHANGEABLE
INSIGNIA,GRADE,ENLISTED PERSONNE
5925-01-387-6473INTERCHANGEABLE
CIRCUIT BREAKER
B330
4140-01-486-1562INTERCHANGEABLE
FAN,TUBEAXIAL
79C0050-00
7690-01-649-7350INTERCHANGEABLE
LABEL
B-330

Frequently Asked Questions

What is NSN 5330-00-986-1238?

NSN 5330-00-986-1238 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 5330-00-986-1238?

NSN 5330-00-986-1238 has 1 cross-referenced part number: B330 (Gast Mfg Corp).

What NSN replaces 5330-00-986-1238?

There are 11 known substitutes for 5330-00-986-1238: 4520-00-383-2156, 8455-00-577-5267, 8455-00-577-5297 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B330?

Key specifications for B330: Outside Diameter: 3.875 INCHES NOMINAL IN; Material: PAPER OVERALL; Aperture Diameter: 2.906 INCHES NOMINAL IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 4 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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