PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77-1-6O-Ring

Zf Industrieantriebe Witten Gmbh · NSN 5331-00-451-9217 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-451-9217 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-451-9217. Primary manufacturer part number: 77-1-6.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 14.025 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
  • Center Hole Diameter: 13.445 INCHES MINIMUM AND 13.505 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Zf Industrieantriebe Witten Gmbh
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-451-9217, 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. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN5331-00-451-9217
Primary Part Number77-1-6
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerZf Industrieantriebe Witten Gmbh
StatusACTIVE
Outside Diameter14.025 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Center Hole Diameter13.445 INCHES MINIMUM AND 13.505 INCHES MAXIMUM IN
Cross-Sectional Height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5306-00-119-86637716 INTERCHANGEABLE
Bolt,eye
Cae Usa Inc.
5935-00-259-6773528B INTERCHANGEABLE
Jack,tip
Entron Industries Limited Partnership Dba Entron Industries Property Div
5955-00-267-1309DC8-2500KC INTERCHANGEABLE
Crystal Unit,quartz
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
7310-00-437-6465771-6 INTERCHANGEABLE
Bowl,reflector,range
Stanco Metal Products Inc
5935-00-682-24057769 INTERCHANGEABLE
Cover,electrical Connector
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5985-00-920-6705771-6 INTERCHANGEABLE
Attenuator,fixed
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5955-01-088-1458776834-2 INTERCHANGEABLE
Oscillator,noncrystal Controlled
Raytheon Company Dba Raytheon Co
6625-01-108-81197716 INTERCHANGEABLE
Case,leather
Avo Intl
5945-01-198-63326957ED14-12 INTERCHANGEABLE
Relay,thermal
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
6695-01-277-08192D62182PK-001 INTERCHANGEABLE
Transducer,motional Pickup
Northrop Grumman Systems Corporation Div Marine Systems
Cross-Reference Index
Part NumberManufacturer
77-1-6 Zf Industrieantriebe Witten Gmbh (DEU)
ARP568-456IDSA6865-68 Freudenberg-Nok General Partnership (USA)
Related Parts
5306-00-119-8663INTERCHANGEABLE
BOLT,EYE
7716
5935-00-259-6773INTERCHANGEABLE
JACK,TIP
528B
5955-00-267-1309INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
DC8-2500KC
7310-00-437-6465INTERCHANGEABLE
BOWL,REFLECTOR,RANGE
771-6
5935-00-682-2405INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
7769
5985-00-920-6705INTERCHANGEABLE
ATTENUATOR,FIXED
771-6
5955-01-088-1458INTERCHANGEABLE
OSCILLATOR,NONCRYSTAL CONTROLLED
776834-2
6625-01-108-8119INTERCHANGEABLE
CASE,LEATHER
7716
5945-01-198-6332INTERCHANGEABLE
RELAY,THERMAL
6957ED14-12
6695-01-277-0819INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP
2D62182PK-001
3110-01-396-1813INTERCHANGEABLE
BEARING,ROLLER,TAPERED
7716
6625-01-517-5153INTERCHANGEABLE
TRIPOD,TEST EQUIPMENT
7716

Frequently Asked Questions

What is NSN 5331-00-451-9217?

NSN 5331-00-451-9217 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 5331-00-451-9217?

NSN 5331-00-451-9217 has 2 cross-referenced part numbers: 77-1-6 (Zf Industrieantriebe Witten Gmbh), ARP568-456IDSA6865-68 (Freudenberg-Nok General Partnership).

What NSN replaces 5331-00-451-9217?

There are 12 known substitutes for 5331-00-451-9217: 5306-00-119-8663, 5935-00-259-6773, 5955-00-267-1309 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77-1-6?

Key specifications for 77-1-6: Outside Diameter: 14.025 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC; Center Hole Diameter: 13.445 INCHES MINIMUM AND 13.505 INCHES MAXIMUM IN; Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN. 4 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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