PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9631Back-Up Ring,preformed Packing

DP Mfg Inc · NSN 5330-01-658-8800 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-658-8800 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-658-8800. Primary manufacturer part number: 9631.
Features
  • Back-Up Ring,preformed Packing — FSC 5330
  • 2 verified cross-references
  • Primary manufacturer: DP Mfg Inc
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 5330-01-658-8800, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is DP Mfg Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-658-8800
Primary Part Number9631
Item NameBack-Up Ring,preformed Packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerDP Mfg Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3460-00-181-7041 INTERCHANGEABLE
Collet
5330-00-232-06359631 INTERCHANGEABLE
Gasket
Porta Drill Inc
5120-00-293-0406 INTERCHANGEABLE
Wrench,spanner
6515-01-216-07989631 INTERCHANGEABLE
Syringe and Needle,hypodermic
Becton, Dickinson and Co Dba Becton Dickinson & Co
5120-01-399-9032J9631C INTERCHANGEABLE
Screwdriver,flat Tip
The Stanley Works Dba Stanley Proto
Cross-Reference Index
Part NumberManufacturer
2KK833 Oshkosh Defense Llc (USA)
9631 PRIMARY DP Mfg Inc (USA)
Related Parts
3460-00-181-7041INTERCHANGEABLE
COLLET
5330-00-232-0635INTERCHANGEABLE
GASKET
9631
5120-00-293-0406INTERCHANGEABLE
WRENCH,SPANNER
6515-01-216-0798INTERCHANGEABLE
SYRINGE AND NEEDLE,HYPODERMIC
9631
5120-01-399-9032INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
J9631C

Frequently Asked Questions

What is NSN 5330-01-658-8800?

NSN 5330-01-658-8800 is a Back-Up Ring,preformed Packing, manufactured by DP Mfg Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-658-8800?

NSN 5330-01-658-8800 has 2 cross-referenced part numbers: 2KK833 (Oshkosh Defense Llc), 9631 (DP Mfg Inc).

What NSN replaces 5330-01-658-8800?

There are 5 known substitutes for 5330-01-658-8800: 3460-00-181-7041, 5330-00-232-0635, 5120-00-293-0406 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9631?

Key specifications for 9631: End Item Identification: 2320-01-354-4528. 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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