PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

503445O-Ring

Zf Industrieantriebe Witten Gmbh · NSN 5331-01-178-1752 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-178-1752 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-178-1752. Primary manufacturer part number: 503445.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Zf Industrieantriebe Witten Gmbh
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-178-1752, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Zf Industrieantriebe Witten Gmbh. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersZf Industrieantriebe Witten Gmbh (CAGE D9182); Beatrice Foods Co Taylor Freezer Div (CAGE 80739)
Technical Specifications
ParameterValue
NSN5331-01-178-1752
Primary Part Number503445
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerZf Industrieantriebe Witten Gmbh
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1660-00-078-822710C-0005-11 INTERCHANGEABLE
Converter,liquid Oxygen
Essex Industries, Inc. Dba Essex Industries
3110-00-100-61820283 INTERCHANGEABLE
Ball,bearing
Harley Davidson Motor Co Inc
5340-00-163-5527E5-45-656 INTERCHANGEABLE
Cup,compression
Edgewood Chemical Biological Center Ecbc
5945-00-233-1389SCB42402 INTERCHANGEABLE
Relay,electromagnetic
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6685-00-239-4007 INTERCHANGEABLE
Thermometer,self-Indicating
5310-00-275-2012 INTERCHANGEABLE
Nut,self-Locking,hexagon
1075-00-293-6577 INTERCHANGEABLE
Stop,wedge,mine Sweeping
2840-00-915-9982503445 INTERCHANGEABLE
Plate Lock Fan
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4820-00-936-4274 INTERCHANGEABLE
Valve,safety Relief
5330-01-096-349921278 INTERCHANGEABLE
Seal,plain Encased
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
Cross-Reference Index
Part NumberManufacturer
503445 Zf Industrieantriebe Witten Gmbh (DEU)
21278 Beatrice Foods Co Taylor Freezer Div (USA)
Related Parts
1660-00-078-8227INTERCHANGEABLE
CONVERTER,LIQUID OXYGEN
10C-0005-11
3110-00-100-6182INTERCHANGEABLE
BALL,BEARING
0283
5340-00-163-5527INTERCHANGEABLE
CUP,COMPRESSION
E5-45-656
5945-00-233-1389INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
SCB42402
6685-00-239-4007INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
5310-00-275-2012INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
1075-00-293-6577INTERCHANGEABLE
STOP,WEDGE,MINE SWEEPING
2840-00-915-9982INTERCHANGEABLE
PLATE LOCK FAN
503445
4820-00-936-4274INTERCHANGEABLE
VALVE,SAFETY RELIEF
5330-01-096-3499INTERCHANGEABLE
SEAL,PLAIN ENCASED
21278
5342-01-125-3416INTERCHANGEABLE
BRACKET
503445
6910-01-188-9842INTERCHANGEABLE
ORDOVICIAN
50-3445

Frequently Asked Questions

What is NSN 5331-01-178-1752?

NSN 5331-01-178-1752 is a O-Ring, manufactured by Zf Industrieantriebe Witten Gmbh, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-178-1752?

NSN 5331-01-178-1752 has 2 cross-referenced part numbers: 503445 (Zf Industrieantriebe Witten Gmbh), 21278 (Beatrice Foods Co Taylor Freezer Div).

What NSN replaces 5331-01-178-1752?

There are 12 known substitutes for 5331-01-178-1752: 1660-00-078-8227, 3110-00-100-6182, 5340-00-163-5527 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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