PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278-0642Seal,plain Encased

Caterpillar Inc Div Caterpillar Defense · NSN 5330-00-154-8329 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-154-8329 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-154-8329. Primary manufacturer part number: 278-0642.
Features
  • Seal,plain Encased — FSC 5330
  • 16 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-154-8329, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. This item has 16 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameSeal,plain Encased
FSC / FSG5330 — No Item Name Available (FSG 53)
ManufacturersCaterpillar Inc Div Caterpillar Defense (CAGE 11083); Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (CAGE 80201); Markey Machine Llc Div Markey Machine (CAGE 38398); Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (CAGE 73680); Defense Logistics Agency Dba Defense Supply Center Philadelphia (CAGE 14153)
Technical Specifications
ParameterValue
NSN5330-00-154-8329
Primary Part Number278-0642
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-033-496050095 INTERCHANGEABLE
Nut,plain,castellated,hexagon
Hamilton Sundstrand Corporation Dba Collins Aerospace
5306-00-061-49615306AC1014-1 INTERCHANGEABLE
Bolt,internally Relieved Body
Us Army Aviation and Missile Command
5930-00-135-476425035 INTERCHANGEABLE
Switch,thermostatic
Eaton Corp Information Management Systems Div Microwave Components
2805-00-147-5444232846N INTERCHANGEABLE
Breather
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5330-00-154-4967 INTERCHANGEABLE
Seal,plain Encased
5330-00-215-5336 INTERCHANGEABLE
Seal,plain Encased
3895-00-496-1557250-36 INTERCHANGEABLE
Coil,burner
Hauck Manufacturing Company
3120-00-528-5517 INTERCHANGEABLE
Bearing,washer,thrust
5360-00-545-693425035 INTERCHANGEABLE
Spring,helical,compression
The Oilgear Company Dba Jiffy Lube 213 Div Oilgear
5365-00-573-65925-500-1 INTERCHANGEABLE
Spacer,sleeve
Rexnord Industries, Llc Div Aerospace Solutions Downers Grove
Cross-Reference Index
Part NumberManufacturer
1B936 Caterpillar Inc Div Caterpillar Defense (USA)
11073A Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
SG544-68 Markey Machine Llc Div Markey Machine (USA)
65X1823 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
51X1824 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
65X1824 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
63X1824 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
1B0936 Caterpillar Inc Div Caterpillar Defense (USA)
25035 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
278-0642 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
SG534PC68 Markey Machine Llc Div Markey Machine (USA)
63X1823 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
SG526-39 Markey Machine Llc Div Markey Machine (USA)
50095 Markey Machine Llc Div Markey Machine (USA)
55001 Markey Machine Llc Div Markey Machine (USA)
Related Parts
5310-00-033-4960INTERCHANGEABLE
NUT,PLAIN,CASTELLATED,HEXAGON
50095
5306-00-061-4961INTERCHANGEABLE
BOLT,INTERNALLY RELIEVED BODY
5306AC1014-1
5930-00-135-4764INTERCHANGEABLE
SWITCH,THERMOSTATIC
25035
2805-00-147-5444INTERCHANGEABLE
BREATHER
232846N
5330-00-154-4967INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-00-215-5336INTERCHANGEABLE
SEAL,PLAIN ENCASED
3895-00-496-1557INTERCHANGEABLE
COIL,BURNER
250-36
3120-00-528-5517INTERCHANGEABLE
BEARING,WASHER,THRUST
5360-00-545-6934INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
25035
5365-00-573-6592INTERCHANGEABLE
SPACER,SLEEVE
5-500-1
1730-00-671-3190INTERCHANGEABLE
FULCRUM,PUMP
55001
1650-00-704-6906INTERCHANGEABLE
BEARING,VALVE

Frequently Asked Questions

What is NSN 5330-00-154-8329?

NSN 5330-00-154-8329 is a Seal,plain Encased, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-154-8329?

NSN 5330-00-154-8329 has 16 cross-referenced part numbers: 1B936 (Caterpillar Inc Div Caterpillar Defense), 11073A (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), SG544-68 (Markey Machine Llc Div Markey Machine), 65X1823 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc), 51X1824 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc) and 11 more.

What NSN replaces 5330-00-154-8329?

There are 12 known substitutes for 5330-00-154-8329: 5310-00-033-4960, 5306-00-061-4961, 5930-00-135-4764 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 5330-00-154-8329 still in active supply?

NSN 5330-00-154-8329 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com