PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-282Retainer,packing

Pakon Inc Dba Impak Division · NSN 5330-00-202-4549 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-202-4549 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-202-4549. Primary manufacturer part number: 20-282.
Features
  • Retainer,packing — FSC 5330
  • Peripheral Diameter: 1.000 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: FLANGE
  • Center Hole Diameter: 0.438 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
  • Material: COPPER ALLOY OVERALL
  • Flanged Body Outside Diameter: 0.750 INCHES NOMINAL IN
  • Cross-Sectional Height: 0.625 INCHES NOMINAL IN
  • Angle: 30.0 DEGREES NOMINAL
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Retainer,packing, cataloged under National Stock Number 5330-00-202-4549, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pakon Inc Dba Impak Division. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-202-4549
Primary Part Number20-282
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerPakon Inc Dba Impak Division
StatusCANCELLED
Peripheral Diameter1.000 INCHES NOMINAL IN
Cross-Sectional Shape StyleFLANGE
Center Hole Diameter0.438 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
Flanged Body Outside Diameter0.750 INCHES NOMINAL IN
Cross-Sectional Height0.625 INCHES NOMINAL IN
Angle30.0 DEGREES NOMINAL
FSC Application DataWASHER,PHOTOGRAPHIC PRINT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5310-00-430-039320-282 INTERCHANGEABLE
Washer,flat
Dresser Industries Inc Leroi Div
5355-00-644-388620282 INTERCHANGEABLE
Knob
Raytheon Company Dba Raytheon
4820-00-989-5048B-232-0-03 INTERCHANGEABLE
Valve,globe
Hunt Valve Company, Inc.
9540-01-072-1180 INTERCHANGEABLE
Beam,structural
5962-01-118-5895 INTERCHANGEABLE
Microcircuit,digital
4820-01-262-751420282R51M INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-368-6436 INTERCHANGEABLE
Valve,angle
5995-01-611-252520282 INTERCHANGEABLE
Cable Assembly,ribbon,electrical
Semx Corporation Dba Semi Conductor Packaging Material
Cross-Reference Index
Part NumberManufacturer
A55R1 Pakon Inc Dba Impak Division (USA)
20-282 PRIMARY Pakon Inc Dba Impak Division (USA)
Related Parts
5310-00-430-0393INTERCHANGEABLE
WASHER,FLAT
20-282
5355-00-644-3886INTERCHANGEABLE
KNOB
20282
4820-00-989-5048INTERCHANGEABLE
VALVE,GLOBE
B-232-0-03
9540-01-072-1180INTERCHANGEABLE
BEAM,STRUCTURAL
5962-01-118-5895INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4820-01-262-7514INTERCHANGEABLE
VALVE,SAFETY RELIEF
20282R51M
4820-01-368-6436INTERCHANGEABLE
VALVE,ANGLE
5995-01-611-2525INTERCHANGEABLE
CABLE ASSEMBLY,RIBBON,ELECTRICAL
20282

Frequently Asked Questions

What is NSN 5330-00-202-4549?

NSN 5330-00-202-4549 is a Retainer,packing, manufactured by Pakon Inc Dba Impak Division, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-202-4549?

NSN 5330-00-202-4549 has 2 cross-referenced part numbers: A55R1 (Pakon Inc Dba Impak Division), 20-282 (Pakon Inc Dba Impak Division).

What NSN replaces 5330-00-202-4549?

There are 8 known substitutes for 5330-00-202-4549: 5310-00-430-0393, 5355-00-644-3886, 4820-00-989-5048 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-282?

Key specifications for 20-282: Peripheral Diameter: 1.000 INCHES NOMINAL IN; Cross-Sectional Shape Style: FLANGE; Center Hole Diameter: 0.438 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN; Material: COPPER ALLOY OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-202-4549 still in active supply?

NSN 5330-00-202-4549 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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