PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

76903Back-Up Ring,preformed Packing

Hampton Hydraulics, Llc. Dba Great Bend Industries Div Hampton Hydraulics, Llc. · NSN 5330-01-589-9708 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-589-9708 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-589-9708. Primary manufacturer part number: 76903.
Features
  • Back-Up Ring,preformed Packing — FSC 5330
  • 2 verified cross-references
  • Primary manufacturer: Hampton Hydraulics, Llc. Dba Great Bend Industries Div Hampton Hydraulics, Llc.
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-589-9708, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hampton Hydraulics, Llc. Dba Great Bend Industries Div Hampton Hydraulics, Llc.. This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5330-01-589-9708
Primary Part Number76903
Item NameBack-Up Ring,preformed Packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerHampton Hydraulics, Llc. Dba Great Bend Industries Div Hampton Hydraulics, Llc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5970-00-078-5977 INTERCHANGEABLE
Insulation Sleeving,electrical
5365-00-520-265430025 INTERCHANGEABLE
Plug,machine Thread
Moog Military Aircraft Llc
9540-00-542-2748 INTERCHANGEABLE
Beam,structural
3120-00-937-2797177022 INTERCHANGEABLE
Bearing,plain,rod End
Rbc Transport Dynamics Corp Div Rbc Transport Dynamics
5999-00-948-26750A2805000 INTERCHANGEABLE
Heat Sink,electrical-Electronic
American Beryllia Inc
6140-01-072-312330025 INTERCHANGEABLE
Battery,storage
Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company
6515-01-169-853530025 INTERCHANGEABLE
Mount,electrocardiogram
Graphic Controls Acquisition Corp.
4130-01-177-1424 INTERCHANGEABLE
Compressor Unit,refrigeration
3020-01-181-856830025 INTERCHANGEABLE
Gear,helical
Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co
5310-01-355-016830025 INTERCHANGEABLE
Nut,plain,hexagon
Orscheln Products L.l.c.
Cross-Reference Index
Part NumberManufacturer
30025 Hampton Hydraulics, Llc. Dba Great Bend Industries Div Hampton Hydraulics, Llc. (USA)
76903 PRIMARY Hampton Hydraulics, Llc. Dba Great Bend Industries Div Hampton Hydraulics, Llc. (USA)
Related Parts
5970-00-078-5977INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
5365-00-520-2654INTERCHANGEABLE
PLUG,MACHINE THREAD
30025
9540-00-542-2748INTERCHANGEABLE
BEAM,STRUCTURAL
3120-00-937-2797INTERCHANGEABLE
BEARING,PLAIN,ROD END
177022
5999-00-948-2675INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
0A2805000
6140-01-072-3123INTERCHANGEABLE
BATTERY,STORAGE
30025
6515-01-169-8535INTERCHANGEABLE
MOUNT,ELECTROCARDIOGRAM
30025
4130-01-177-1424INTERCHANGEABLE
COMPRESSOR UNIT,REFRIGERATION
3020-01-181-8568INTERCHANGEABLE
GEAR,HELICAL
30025
5310-01-355-0168INTERCHANGEABLE
NUT,PLAIN,HEXAGON
30025
6695-01-379-7800INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP
30-025
5130-01-560-5656INTERCHANGEABLE
ROTARY TOOL KIT,ELECTRIC
300-25

Frequently Asked Questions

What is NSN 5330-01-589-9708?

NSN 5330-01-589-9708 is a Back-Up Ring,preformed Packing, manufactured by Hampton Hydraulics, Llc. Dba Great Bend Industries Div Hampton Hydraulics, Llc., classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-589-9708?

NSN 5330-01-589-9708 has 2 cross-referenced part numbers: 30025 (Hampton Hydraulics, Llc. Dba Great Bend Industries Div Hampton Hydraulics, Llc.), 76903 (Hampton Hydraulics, Llc. Dba Great Bend Industries Div Hampton Hydraulics, Llc.).

What NSN replaces 5330-01-589-9708?

There are 12 known substitutes for 5330-01-589-9708: 5970-00-078-5977, 5365-00-520-2654, 9540-00-542-2748 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 76903?

Key specifications for 76903: Part Name Assigned by Controlling Agency: PACKING,PREFORMED,BACK-UP; End Item Identification: 2320-01-549-8565;TRUCK,CARGO. 2 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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