Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN
Style Designator: CIRCULAR
Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
Outside Diameter: 0.378 INCHES NOMINAL IN
Aperture Diameter: 0.245 INCHES NOMINAL IN
Material: RUBBER NATURAL OVERALL
Identification
NSN: 5330-00-526-8903
NIIN: 005268903
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
General Description
The Gasket, cataloged under National Stock Number 5330-00-526-8903, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5330-00-526-8903
Item Name
Gasket
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Status
ACTIVE
FSC Application Data
CLOCK,AIRCRAFTMECHANICAL
Cross-Sectional Thickness
0.031 INCHES NOMINAL IN
Style Designator
CIRCULAR
Cross-Sectional Shape Style
SOLID SINGLE OR COMPOSITION
Outside Diameter
0.378 INCHES NOMINAL IN
Aperture Diameter
0.245 INCHES NOMINAL IN
Material
RUBBER NATURAL OVERALL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3110-00-984-574423294POSSIBLE MATCH
BEARING,BALL,ANNULAR
Possible match (shared part number)Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5310-01-302-10698859903-01POSSIBLE MATCH
NUT,PLAIN,HEXAGON
Possible match (shared part number)Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
6515-01-595-43351411003POSSIBLE MATCH
ELECTRODE PASTE,ELECTROMEDICAL A
Possible match (shared part number)Natus Medical Incorporated
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
23294
3/9Design control — primary reference
Waltham Clock Co Inc
Related Parts
3110-00-984-5744POSSIBLE MATCH
BEARING,BALL,ANNULAR
23294
5310-01-302-1069POSSIBLE MATCH
NUT,PLAIN,HEXAGON
8859903-01
6515-01-595-4335POSSIBLE MATCH
ELECTRODE PASTE,ELECTROMEDICAL A
1411003
Frequently Asked Questions
What is NSN 5330-00-526-8903?
NSN 5330-00-526-8903 is a Gasket, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What NSN replaces 5330-00-526-8903?
3 possible matches (shared part number, not a government interchangeability claim): 3110-00-984-5744, 5310-01-302-1069, 6515-01-595-4335. Verify interchangeability with system specifications before substitution.
What are the specifications of 5330-00-526-8903?
Key specifications for 5330-00-526-8903: FSC Application Data: CLOCK,AIRCRAFTMECHANICAL; Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5330-00-526-8903 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.