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NSN 5330-01-633-9945Government record, cited
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Ring, Oil Control5330-01-633-9945

NSN 5330-01-633-9945 · NIIN 016339945 · Part number 803-7526226-8-F-E-S-11
Naval Sea Systems Command · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5330-01-633-9945 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-633-9945. Manufacturer of record part number: 803-7526226-8-F-E-S-11.
Also searched as  5330-01-633-9945 · 5330016339945 · NIIN 016339945 · 01-633-9945 · FSC 5330 Packing and Gasket Materials · CAGE 53711 · 803-7526226-8-F-E-S-11 · 803-7526226
Nearby stock numbers  ·
SECTION O-RING CROSS SECTION
5330-01-633-9945 — Packing and Gasket Materials
Features
  • Ring,oil Control — FSC 5330
  • Overall Diameter: 1.818 INCHES NOMINAL IN
  • Material: NICKEL ALLOY
  • 1 manufacturer part number on file
  • Manufacturer of record: Naval Sea Systems Command
Identification
  • NSN: 5330-01-633-9945
  • NIIN: 016339945
  • FSC: 5330 — Packing and Gasket Materials
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 803-7526226-8-F-E-S-11
  • Manufacturer: Naval Sea Systems Command
General Description

The Ring,oil Control, cataloged under National Stock Number 5330-01-633-9945, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-633-9945
Primary Part Number803-7526226-8-F-E-S-11
Item NameRing,oil Control
FSC / FSG5330 / 53 — Packing and Gasket Materials
ManufacturerNaval Sea Systems Command
StatusACTIVE
Overall Diameter1.818 INCHES NOMINAL IN
MaterialNICKEL ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
⇄ Related Items 6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-01-634-0053803-7526226-8-F-E--S-19 POSSIBLE MATCH
NUT,PLAIN,HEXAGON
Possible match (shared part number)Naval Sea Systems Command
5330-01-634-0217803-7526226-4-S-E-C-13 POSSIBLE MATCH
PACKING,PREFORMED
Possible match (shared part number)Naval Sea Systems Command
5310-01-640-6587803-7526226-4-S-E-C-30 POSSIBLE MATCH
NUT,PLAIN,HEXAGON
Possible match (shared part number)Naval Sea Systems Command
5310-01-640-9849803-7526226-8-F-E-S-32 POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
5310-01-641-0399803-7526226-4-S-E-C-32 POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
5305-01-641-0633803-7526226-4-S-E-C-34 POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
803-7526226-8-F-E-S-11 PRIMARY Naval Sea Systems Command (USA)
Reference documents
ReferenceMeaning
803-7526226 D/9 Drawing number reference only
Naval Sea Systems Command
Related Parts
5310-01-634-0053POSSIBLE MATCH
NUT,PLAIN,HEXAGON
803-7526226-8-F-E--S-19
5330-01-634-0217POSSIBLE MATCH
PACKING,PREFORMED
803-7526226-4-S-E-C-13
5310-01-640-6587POSSIBLE MATCH
NUT,PLAIN,HEXAGON
803-7526226-4-S-E-C-30
5310-01-640-9849POSSIBLE MATCH
WASHER,FLAT
803-7526226-8-F-E-S-32
5310-01-641-0399POSSIBLE MATCH
WASHER,FLAT
803-7526226-4-S-E-C-32
5305-01-641-0633POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
803-7526226-4-S-E-C-34

Frequently Asked Questions

What is NSN 5330-01-633-9945?

NSN 5330-01-633-9945 is a Ring,oil Control, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.

What part numbers are listed for NSN 5330-01-633-9945?

NSN 5330-01-633-9945 has 1 manufacturer part number on file: 803-7526226-8-F-E-S-11 (Naval Sea Systems Command).

What NSN replaces 5330-01-633-9945?

6 possible matches (shared part number, not a government interchangeability claim): 5310-01-634-0053, 5330-01-634-0217, 5310-01-640-6587. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-7526226-8-F-E-S-11?

Key specifications for 803-7526226-8-F-E-S-11: Overall Height: 0.080 INCHES NOMINAL IN; Overall Diameter: 1.818 INCHES NOMINAL IN; Special Features: ID IS 1.188 IN (NOM) IN; Part Name Assigned by Controlling Agency: INNER RING, GLAND. 2 specifications are documented in the U.S. Government catalog.

Is NSN 5330-01-633-9945 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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