PartsTable TECHNICAL DATA SHEET
NSN 5330-00-923-6954Government record, cited

Seal, Plain Encased5330-00-923-6954

NSN 5330-00-923-6954 · NIIN 009236954 · Part number 5H33
Caterpillar Inc Div Caterpillar Defense · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 11083
Government record, cited
NSN 5330-00-923-6954 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-923-6954. Manufacturer of record part number: 5H33.
Also searched as  5330-00-923-6954 · 5330009236954 · NIIN 009236954 · 00-923-6954 · FSC 5330 Packing and Gasket Materials · CAGE 11083 · 5H33 · 5H0033 · 25066 · 514790
Nearby stock numbers  ·
Features
  • Seal,plain Encased — FSC 5330
  • Seal Width: 0.875 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR-OPPOSED
  • Outside Diameter: 3.548 INCHES NOMINAL IN
  • Housing Bore Diameter: 3.544 INCHES NOMINAL IN
  • Material Document and Classification: 8008 FSCM 80201 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT A
  • Material Document and Classification: 8008 FSCM 80201 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT B
  • Case Style: SQUARE
Identification
  • NSN: 5330-00-923-6954
  • NIIN: 009236954
  • FSC: 5330 — Packing and Gasket Materials
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 5H33
  • Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-923-6954, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
NSN5330-00-923-6954
Primary Part Number5H33
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — Packing and Gasket Materials
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Seal Width0.875 INCHES NOMINAL IN
Sealing Element StyleANGULAR-OPPOSED
Outside Diameter3.548 INCHES NOMINAL IN
Housing Bore Diameter3.544 INCHES NOMINAL IN
Material Document and Classification8008 FSCM 80201 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT A
Material Document and Classification8008 FSCM 80201 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT B
Case StyleSQUARE
Accommodated Shaft Diameter2.500 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT A
MaterialRUBBER SYNTHETIC SEALING ELEMENT B
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.
5330-01-013-301325066 POSSIBLE MATCH
SEAL,PLAIN ENCASED
Possible match (shared part number)Williams International Co., L.l.c.
6130-01-066-896925066 POSSIBLE MATCH
POWER SUPPLY SUBASSEMBLY
Possible match (shared part number)Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
4520-01-301-4312250-6/6 POSSIBLE MATCH
DAMPER,FIRE CONTROL
Possible match (shared part number)Peter Kalby Co Inc the
4720-01-540-6604 POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)
5330-01-561-884725066 POSSIBLE MATCH
GASKET
Possible match (shared part number)Calgon Carbon Uv Technologies Llc Dba Hyde Marine
5995-01-616-215911018H0051-01 POSSIBLE MATCH
CABLE ASSEMBLY,RADIO FREQUENCY
Possible match (shared part number)Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
Cross-Reference Index
Part NumberManufacturer
5H33 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
5H0033 Caterpillar Inc Div Caterpillar Defense (USA)
Reference documents
ReferenceMeaning
25066 5/2 Secondary reference
U.S. Government activity
514790 5/9 Secondary reference
U.S. Government activity
Related Parts
5330-01-013-3013POSSIBLE MATCH
SEAL,PLAIN ENCASED
25066
6130-01-066-8969POSSIBLE MATCH
POWER SUPPLY SUBASSEMBLY
25066
4520-01-301-4312POSSIBLE MATCH
DAMPER,FIRE CONTROL
250-6/6
4720-01-540-6604POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
5330-01-561-8847POSSIBLE MATCH
GASKET
25066
5995-01-616-2159POSSIBLE MATCH
CABLE ASSEMBLY,RADIO FREQUENCY
11018H0051-01

Frequently Asked Questions

What is NSN 5330-00-923-6954?

NSN 5330-00-923-6954 is a Seal,plain Encased, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.

What part numbers are listed for NSN 5330-00-923-6954?

NSN 5330-00-923-6954 has 2 manufacturer part numbers on file: 5H33 (Caterpillar Inc Div Caterpillar Defense), 5H0033 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5330-00-923-6954?

6 possible matches (shared part number, not a government interchangeability claim): 5330-01-013-3013, 6130-01-066-8969, 4520-01-301-4312. Verify interchangeability with system specifications before substitution.

What are the specifications of 5H33?

Key specifications for 5H33: Seal Width: 0.875 INCHES NOMINAL IN; Sealing Element Style: ANGULAR-OPPOSED; Outside Diameter: 3.548 INCHES NOMINAL IN; Housing Bore Diameter: 3.544 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5330-00-923-6954 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.
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