PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

204300Retainer,packing

Aerosonic Llc · NSN 5330-01-338-7351 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-338-7351 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-338-7351. Primary manufacturer part number: 204300.
Features
  • Retainer,packing — FSC 5330
  • Angle: 55.0 DEGREES MINIMUM AND 57.0 DEGREES MAXIMUM
  • Material Document and Classification: MIL-S-6855,CL2,GR40 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Color: BLACK
  • Material: RUBBER CHLOROPRENE CLASS CR OVERALL
  • Cross-Sectional Shape Style: FLANGE
  • Peripheral Diameter: 2.225 INCHES MINIMUM AND 2.235 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.950 INCHES MINIMUM AND 1.970 INCHES MAXIMUM IN
Applications
  • Applications requiring Rubber Chloroprene Class Cr Overall construction
General Description

The Retainer,packing, cataloged under National Stock Number 5330-01-338-7351, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aerosonic Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-338-7351
Primary Part Number204300
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerAerosonic Llc
StatusACTIVE
Angle55.0 DEGREES MINIMUM AND 57.0 DEGREES MAXIMUM
Material Document and ClassificationMIL-S-6855,CL2,GR40 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
ColorBLACK
MaterialRUBBER CHLOROPRENE CLASS CR OVERALL
Cross-Sectional Shape StyleFLANGE
Peripheral Diameter2.225 INCHES MINIMUM AND 2.235 INCHES MAXIMUM IN
Center Hole Diameter1.950 INCHES MINIMUM AND 1.970 INCHES MAXIMUM IN
Hardness Rating35.0 SHORE DUROMETER A MINIMUM AND 45.0 SHORE DUROMETER A MAXIMUM OVERALL
Flanged Body Outside Diameter2.020 INCHES MINIMUM AND 2.040 INCHES MAXIMUM IN
Cross-Sectional Height0.1975 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4320-00-871-7813 INTERCHANGEABLE
Port Plate,pump
2040-01-103-158505532 INTERCHANGEABLE
Slip Ring Assembly
L3 Technologies, Inc. Div L3 Keo
6680-01-180-3794SD334312D212 INTERCHANGEABLE
Meter,flow Rate Indicating
Ametek Inc Schutte and Koerting Div
1560-01-725-5876204300-07 INTERCHANGEABLE
Window Panel,aircraft
Sierracin Corporation
Cross-Reference Index
Part NumberManufacturer
204300 PRIMARY Aerosonic Llc (USA)
204300 Melrath Gasket (USA)
Related Parts
4320-00-871-7813INTERCHANGEABLE
PORT PLATE,PUMP
2040-01-103-1585INTERCHANGEABLE
SLIP RING ASSEMBLY
05532
6680-01-180-3794INTERCHANGEABLE
METER,FLOW RATE INDICATING
SD334312D212
1560-01-725-5876INTERCHANGEABLE
WINDOW PANEL,AIRCRAFT
204300-07

Frequently Asked Questions

What is NSN 5330-01-338-7351?

NSN 5330-01-338-7351 is a Retainer,packing, manufactured by Aerosonic Llc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-338-7351?

NSN 5330-01-338-7351 has 2 cross-referenced part numbers: 204300 (Aerosonic Llc), 204300 (Melrath Gasket).

What NSN replaces 5330-01-338-7351?

There are 4 known substitutes for 5330-01-338-7351: 4320-00-871-7813, 2040-01-103-1585, 6680-01-180-3794 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 204300?

Key specifications for 204300: Angle: 55.0 DEGREES MINIMUM AND 57.0 DEGREES MAXIMUM; Material Document and Classification: MIL-S-6855,CL2,GR40 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Color: BLACK; Material: RUBBER CHLOROPRENE CLASS CR OVERALL. 10 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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