PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MXL1-001ISSUE3PC76Seal,plain Encased

Jered Brown Bros Inc Liberty Works the · NSN 5330-00-178-5377 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-178-5377 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-178-5377. Primary manufacturer part number: MXL1-001ISSUE3PC76.
Features
  • Seal,plain Encased — FSC 5330
  • Material: STEEL CASE
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Sealing Element Style: ANGULAR
  • Case Style: SQUARE
  • Seal Width: 0.375 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 7.250 INCHES NOMINAL IN
  • Hardness Rating: 80.0 SHORE DUROMETER A NOMINAL OVERALL
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-178-5377, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Jered Brown Bros Inc Liberty Works the. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-178-5377
Primary Part NumberMXL1-001ISSUE3PC76
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerJered Brown Bros Inc Liberty Works the
StatusACTIVE
MaterialSTEEL CASE
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Sealing Element StyleANGULAR
Case StyleSQUARE
Seal Width0.375 INCHES NOMINAL IN
Accommodated Shaft Diameter7.250 INCHES NOMINAL IN
Hardness Rating80.0 SHORE DUROMETER A NOMINAL OVERALL
Maximum Pressure Rating7.0 POUNDS PER SQUARE INCH (PSI) LBS
Housing Bore Diameter8.250 INCHES NOMINAL IN
ColorBLACK
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Temp Rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5320-00-167-6069 INTERCHANGEABLE
Rivet,solid
5136-00-239-27773518 INTERCHANGEABLE
Die,thread Cutting
Stanley Tools Div of Stanley Works
5910-00-412-42223518 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Chicago Condenser Corp., Inc.
2835-00-716-4668431-4 INTERCHANGEABLE
Adapter,tank Filler
Parker Hannifin Corp Dba Pneutronics
1650-00-790-9725 INTERCHANGEABLE
Spindle,compensator
6515-00-867-50433518 INTERCHANGEABLE
Bag,tube Feeding
Davol Inc
4730-00-903-47633518 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Dixon Valve & Coupling Company, Llc Div Dixon Fire
5935-01-119-1581 INTERCHANGEABLE
Polarizing Key,electrical Connec
5935-01-152-7152 INTERCHANGEABLE
Connector,receptacle,electrical
3020-01-177-0995ST9M482-35-18 INTERCHANGEABLE
Chain,roller
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
MXL1-001ISSUE3PC76 Jered Brown Bros Inc Liberty Works the (USA)
MA7-020BISSUE1PC76 Jered Brown Bros Inc Liberty Works the (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
MXL593ISSUE4PC76 Jered Brown Bros Inc Liberty Works the (USA)
21086-3518 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
3518SEAL Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
MXL593ISSUE2PC76 Jered Brown Bros Inc Liberty Works the (USA)
3518 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
MA4-527BISSUE2PC76 Jered Brown Bros Inc Liberty Works the (USA)
Related Parts
5320-00-167-6069INTERCHANGEABLE
RIVET,SOLID
5136-00-239-2777INTERCHANGEABLE
DIE,THREAD CUTTING
3518
5910-00-412-4222INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
3518
2835-00-716-4668INTERCHANGEABLE
ADAPTER,TANK FILLER
431-4
1650-00-790-9725INTERCHANGEABLE
SPINDLE,COMPENSATOR
6515-00-867-5043INTERCHANGEABLE
BAG,TUBE FEEDING
3518
4730-00-903-4763INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
3518
5935-01-119-1581INTERCHANGEABLE
POLARIZING KEY,ELECTRICAL CONNEC
5935-01-152-7152INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3020-01-177-0995INTERCHANGEABLE
CHAIN,ROLLER
ST9M482-35-18
5310-01-276-9129INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
3518
5935-01-279-5263INTERCHANGEABLE
POLARIZING KEY,ELECTRICAL CONNEC

Frequently Asked Questions

What is NSN 5330-00-178-5377?

NSN 5330-00-178-5377 is a Seal,plain Encased, manufactured by Jered Brown Bros Inc Liberty Works the, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-178-5377?

NSN 5330-00-178-5377 has 9 cross-referenced part numbers: MXL1-001ISSUE3PC76 (Jered Brown Bros Inc Liberty Works the), MA7-020BISSUE1PC76 (Jered Brown Bros Inc Liberty Works the), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), MXL593ISSUE4PC76 (Jered Brown Bros Inc Liberty Works the), 21086-3518 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc) and 4 more.

What NSN replaces 5330-00-178-5377?

There are 12 known substitutes for 5330-00-178-5377: 5320-00-167-6069, 5136-00-239-2777, 5910-00-412-4222 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MXL1-001ISSUE3PC76?

Key specifications for MXL1-001ISSUE3PC76: Material: STEEL CASE; Material: RUBBER SYNTHETIC SEALING ELEMENT; Sealing Element Style: ANGULAR; Case Style: SQUARE. 12 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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