PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

701599Back-Up Ring,preformed Packing

Cat Pumps Corp · NSN 5330-01-656-2632 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-656-2632 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-656-2632. Primary manufacturer part number: 701599.
Features
  • Back-Up Ring,preformed Packing — FSC 5330
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE
  • Cross-Sectional Shape Style: SINGLE TURN SPIRAL
  • 1 verified cross-reference
  • Primary manufacturer: Cat Pumps Corp
Applications
  • Applications requiring Plastic Polytetrafluoroethylene construction
General Description

The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-656-2632, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cat Pumps Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-656-2632
Primary Part Number701599
Item NameBack-Up Ring,preformed Packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerCat Pumps Corp
StatusACTIVE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE
Cross-Sectional Shape StyleSINGLE TURN SPIRAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-394-090270-1599 INTERCHANGEABLE
Rectifier,semiconductor Device,u
Department of Defense Project Manager-Mobile Electric Power
Cross-Reference Index
Part NumberManufacturer
701599 PRIMARY Cat Pumps Corp (USA)
Related Parts
5961-00-394-0902INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U
70-1599

Frequently Asked Questions

What is NSN 5330-01-656-2632?

NSN 5330-01-656-2632 is a Back-Up Ring,preformed Packing, manufactured by Cat Pumps Corp, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-656-2632?

NSN 5330-01-656-2632 has 1 cross-referenced part number: 701599 (Cat Pumps Corp).

What NSN replaces 5330-01-656-2632?

There is 1 known substitute for 5330-01-656-2632: 5961-00-394-0902. Verify interchangeability with system specifications before substitution.

What are the specifications of 701599?

Key specifications for 701599: End Item Identification: PLUNGER PUMP; Part Name Assigned by Controlling Agency: BACK UP RING, VALVE SEAL; Material: PLASTIC POLYTETRAFLUOROETHYLENE; Cross-Sectional Shape Style: SINGLE TURN SPIRAL. 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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