PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S-3179Seal Assembly,shaft,spring Loade

Marshall Engineered Products Co Dba Mepco · NSN 4320-01-057-3678 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-057-3678 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-057-3678. Primary manufacturer part number: S-3179.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • General Characteristics Item Description: CONSISTS OF 8 PARTS,MATING RING,CUP,PRIMARY RING,BELLOWS,RETAINER,SPRING,DRIVE BAND AND SPRING HOLDER,1.250 IN. ID,1.500 IN. LONG IN
  • 2 verified cross-references
  • Primary manufacturer: Marshall Engineered Products Co Dba Mepco
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Mechanical energy storage
  • Vibration dampening
General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-057-3678, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Marshall Engineered Products Co Dba Mepco. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-057-3678
Primary Part NumberS-3179
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerMarshall Engineered Products Co Dba Mepco
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF 8 PARTS,MATING RING,CUP,PRIMARY RING,BELLOWS,RETAINER,SPRING,DRIVE BAND AND SPRING HOLDER,1.250 IN. ID,1.500 IN. LONG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-115-1522204399N INTERCHANGEABLE
Seal,plain Encased
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
1660-00-179-4028 INTERCHANGEABLE
Adapter,oxygen Tank
6625-00-431-92421450 INTERCHANGEABLE
Meter,electrical Frequency
Jewell Instruments Llc
5342-00-433-35293179 INTERCHANGEABLE
Clip,indicator
Kearflex Engineering Company
9390-00-574-9161 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
5950-00-645-4053C284037 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon Co
5315-01-059-7667MS16562-272 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
S-3179 Marshall Engineered Products Co Dba Mepco (USA)
3179 Marshall Engineered Products Co Dba Mepco (USA)
Related Parts
5330-00-115-1522INTERCHANGEABLE
SEAL,PLAIN ENCASED
204399N
1660-00-179-4028INTERCHANGEABLE
ADAPTER,OXYGEN TANK
6625-00-431-9242INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
1450
5342-00-433-3529INTERCHANGEABLE
CLIP,INDICATOR
3179
9390-00-574-9161INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
5950-00-645-4053INTERCHANGEABLE
COIL,RADIO FREQUENCY
C284037
5315-01-059-7667INTERCHANGEABLE
PIN,SPRING
MS16562-272

Frequently Asked Questions

What is NSN 4320-01-057-3678?

NSN 4320-01-057-3678 is a Seal Assembly,shaft,spring Loade, manufactured by Marshall Engineered Products Co Dba Mepco, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-057-3678?

NSN 4320-01-057-3678 has 2 cross-referenced part numbers: S-3179 (Marshall Engineered Products Co Dba Mepco), 3179 (Marshall Engineered Products Co Dba Mepco).

What NSN replaces 4320-01-057-3678?

There are 7 known substitutes for 4320-01-057-3678: 5330-00-115-1522, 1660-00-179-4028, 6625-00-431-9242 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S-3179?

Key specifications for S-3179: General Characteristics Item Description: CONSISTS OF 8 PARTS,MATING RING,CUP,PRIMARY RING,BELLOWS,RETAINER,SPRING,DRIVE BAND AND SPRING HOLDER,1.250 IN. ID,1.500 IN. LONG IN. 1 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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