PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CWK643-7PC12Packing,preformed

Walz & Krenzer Inc Div Mapeco Products · NSN 5330-00-867-3525 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-867-3525 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-867-3525. Primary manufacturer part number: CWK643-7PC12.
Features
  • Packing,preformed — FSC 5330
  • Material: COTTON AND RUBBER OVERALL
  • Cross-Sectional Height: 0.500 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: CUP
  • Cross-Sectional Thickness: 0.120 INCHES NOMINAL IN
  • Peripheral Diameter: 2.500 INCHES NOMINAL IN
  • Center Hole Diameter: 1.250 INCHES NOMINAL IN
  • 3 verified cross-references
Applications
  • Applications requiring Cotton and Rubber Overall construction
General Description

The Packing,preformed, cataloged under National Stock Number 5330-00-867-3525, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Walz & Krenzer Inc Div Mapeco Products. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5330-00-867-3525
Primary Part NumberCWK643-7PC12
Item NamePacking,preformed
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerWalz & Krenzer Inc Div Mapeco Products
StatusACTIVE
MaterialCOTTON AND RUBBER OVERALL
Cross-Sectional Height0.500 INCHES NOMINAL IN
Cross-Sectional Shape StyleCUP
Cross-Sectional Thickness0.120 INCHES NOMINAL IN
Peripheral Diameter2.500 INCHES NOMINAL IN
Center Hole Diameter1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5325-00-290-82351142000-5 INTERCHANGEABLE
Stud Assembly,turnlock Fastener
Monadnock Company, the Dba Lisi Aerospace
3120-00-398-8023125061 INTERCHANGEABLE
Bushing,sleeve
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5330-00-578-512940025 INTERCHANGEABLE
Seal,wiper
Deere & Co
5330-00-770-913640025 INTERCHANGEABLE
Packing,preformed
Cnh Industrial America Llc Dba Cnh America
5910-00-880-4289C5UUFP0RM5PCT INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Radio Materials Corp
5945-00-984-3894 INTERCHANGEABLE
Relay,thermal
5920-01-103-05779121420 INTERCHANGEABLE
Fuse Box
Huntington Ingalls Inc Div Newport News Shipbuilding
4910-01-112-9868 INTERCHANGEABLE
Jack Assembly with Axle Cap
3110-01-266-844940025 INTERCHANGEABLE
Bearing,ball,annular
L & R Manufacturing Company
6550-01-339-7584R40025 INTERCHANGEABLE
Trichrome Stain
Remel Inc.
Cross-Reference Index
Part NumberManufacturer
CWK643-7PC12 PRIMARY Walz & Krenzer Inc Div Mapeco Products (USA)
CWK643-7PC12 Walz and Krenzer Inc (USA)
40025 Dukes Fluid Power (USA)
Related Parts
5325-00-290-8235INTERCHANGEABLE
STUD ASSEMBLY,TURNLOCK FASTENER
1142000-5
3120-00-398-8023INTERCHANGEABLE
BUSHING,SLEEVE
125061
5330-00-578-5129INTERCHANGEABLE
SEAL,WIPER
40025
5330-00-770-9136INTERCHANGEABLE
PACKING,PREFORMED
40025
5910-00-880-4289INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
C5UUFP0RM5PCT
5945-00-984-3894INTERCHANGEABLE
RELAY,THERMAL
5920-01-103-0577INTERCHANGEABLE
FUSE BOX
9121420
4910-01-112-9868INTERCHANGEABLE
JACK ASSEMBLY WITH AXLE CAP
3110-01-266-8449INTERCHANGEABLE
BEARING,BALL,ANNULAR
40025
6550-01-339-7584INTERCHANGEABLE
TRICHROME STAIN
R40025
6680-01-412-7662INTERCHANGEABLE
GAGE ROD,LIQUID LEVEL
NW31857
6750-01-418-1905INTERCHANGEABLE
REPLENISHER,DEVELOPER,PHOTOGRAPH

Frequently Asked Questions

What is NSN 5330-00-867-3525?

NSN 5330-00-867-3525 is a Packing,preformed, manufactured by Walz & Krenzer Inc Div Mapeco Products, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-867-3525?

NSN 5330-00-867-3525 has 3 cross-referenced part numbers: CWK643-7PC12 (Walz & Krenzer Inc Div Mapeco Products), CWK643-7PC12 (Walz and Krenzer Inc), 40025 (Dukes Fluid Power).

What NSN replaces 5330-00-867-3525?

There are 12 known substitutes for 5330-00-867-3525: 5325-00-290-8235, 3120-00-398-8023, 5330-00-578-5129 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CWK643-7PC12?

Key specifications for CWK643-7PC12: Material: COTTON AND RUBBER OVERALL; Cross-Sectional Height: 0.500 INCHES NOMINAL IN; Cross-Sectional Shape Style: CUP; Cross-Sectional Thickness: 0.120 INCHES NOMINAL IN. 6 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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