PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16320O-Ring

Hein Werner Corp · NSN 5331-01-207-2785 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-207-2785 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-207-2785. Primary manufacturer part number: 16320.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Hein Werner Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-207-2785, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Hein Werner Corp. 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)
ManufacturersHein Werner Corp (CAGE 28047); Zf Industrieantriebe Witten Gmbh (CAGE D9182)
Technical Specifications
ParameterValue
NSN5331-01-207-2785
Primary Part Number16320
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerHein Werner Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5920-00-084-6045001-8435-01 INTERCHANGEABLE
Discharger,electrostatic,aircraf
Dayton-Granger, Inc.
5110-00-289-96575110-00-289-9657 INTERCHANGEABLE
Frame,hand Hacksaw
General Services Administration Federal Supply Service
5330-00-318-4069163-20 INTERCHANGEABLE
Seal
Acf Industries Inc
2810-00-320-220816320 INTERCHANGEABLE
Plate,oil Pump
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
4710-00-460-709616320 INTERCHANGEABLE
Tube,metallic
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6150-00-549-389816320 INTERCHANGEABLE
Lead,electrical
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5355-00-567-1487163-20 INTERCHANGEABLE
Window,dial
Horizon Aerospace Llc Dba Magnetics Division
6625-00-694-2054ANGSM21 INTERCHANGEABLE
Course Checker
Joint Electronics Type Designation System
6625-00-825-6110 INTERCHANGEABLE
Voltmeter
5961-00-936-1381 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
16320 PRIMARY Hein Werner Corp (USA)
7522-0170 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5920-00-084-6045INTERCHANGEABLE
DISCHARGER,ELECTROSTATIC,AIRCRAF
001-8435-01
5110-00-289-9657INTERCHANGEABLE
FRAME,HAND HACKSAW
5110-00-289-9657
5330-00-318-4069INTERCHANGEABLE
SEAL
163-20
2810-00-320-2208INTERCHANGEABLE
PLATE,OIL PUMP
16320
4710-00-460-7096INTERCHANGEABLE
TUBE,METALLIC
16320
6150-00-549-3898INTERCHANGEABLE
LEAD,ELECTRICAL
16320
5355-00-567-1487INTERCHANGEABLE
WINDOW,DIAL
163-20
6625-00-694-2054INTERCHANGEABLE
COURSE CHECKER
ANGSM21
6625-00-825-6110INTERCHANGEABLE
VOLTMETER
5961-00-936-1381INTERCHANGEABLE
TRANSISTOR
4820-01-040-4619INTERCHANGEABLE
SEAT,VALVE
5961-01-176-1557INTERCHANGEABLE
TRANSISTOR
61901-016A

Frequently Asked Questions

What is NSN 5331-01-207-2785?

NSN 5331-01-207-2785 is a O-Ring, manufactured by Hein Werner Corp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-207-2785?

NSN 5331-01-207-2785 has 2 cross-referenced part numbers: 16320 (Hein Werner Corp), 7522-0170 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5331-01-207-2785?

There are 12 known substitutes for 5331-01-207-2785: 5920-00-084-6045, 5110-00-289-9657, 5330-00-318-4069 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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