The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-543-1673, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Robert Mckeown Company, Inc.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 41 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-543-1673 |
| Primary Part Number | 4F73559-103A |
| Item Name | Seal,nonmetallic Special Shaped |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Robert Mckeown Company, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 1.200 INCHES MINIMUM AND 1.320 INCHES MAXIMUM IN |
| Cross-Sectional Width | 0.990 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN |
| Material Document and Classification | ST-23-402 CLASS1, GRADE 60 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | D SHAPE |
| Material | RUBBER SILICONE CLASS Q OVERALL |
| Construction | SOLID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4F73559-103A | Robert Mckeown Company, Inc. (USA) |
| 4F73559-103A | Sonfarrel Inc. (USA) |
| 4F73559-103A | Gme Manufacturing Inc (USA) |
| 4F73559-103A | Kirkhill, Inc. Dba Kirkhill Inc (USA) |
| 4F73559-103A | Ufc Aerospace Corp. (USA) |
| 4F73559-103A | A Wiley & Associates Inc (USA) |
| 4F73559-103A | Basic Rubber and Plastics Co. (USA) |
| 4F73559-103A | Tnl Sales Llc (USA) |
| 4F73559-103A | Lockheed Martin Logistic Services, Inc. (USA) |
| 4F73559-103A | Jonal Laboratories Inc (USA) |
| 4F73559-103A | Cpi Aerostructures Inc (USA) |
| 4F73559-103A | Aero Components, Llc (USA) |
| 4F73559-103A | Pacific Aerostructures Services Corp Div Pacific Aerostructures Services Corp (USA) |
| 4F73559-103A | Colic Tool and Engineering Inc (USA) |
| 4F73559-103A | Dialogic Corp Dba Dialogic Fasteners (USA) |
| 4F73559-103A | Triman Industries Inc (USA) |
| 4F73559-103A | Aerospace Engineering & Support Inc Div Aerospace Engineering and Support, Inc. (USA) |
| 4F73559-103A | Insulation Sources Inc Dba Ico Rally (USA) |
| 4F73559-103A | Goodrich Corporation Dba Goodrich Corp, a New York Corp (USA) |
| 4F73559-103A | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms) (USA) |
| Reference | Meaning |
|---|---|
| 4F73559-103A | 5/9 Secondary reference Spares Dba Special Parts and Rubber Elastomeric Specification |
| 4F73559-103A | 5/9 Secondary reference Charleston Aluminum, Llc |
| 4F73559-103A | 5/9 Secondary reference Refa International Inc. |
| 4F73559-103A | 3/2 Design control — primary reference U.S. Government activity |
| 4F73559-103A | 5/2 Secondary reference U.S. Government activity |
| 4F73559-103A | 5/2 Secondary reference U.S. Government activity |
| 4F73559-103A | 5/2 Secondary reference U.S. Government activity |
| 4F73559-103A | 5/9 Secondary reference Lockheed Martin Services, Llc |
| 4F73559-103A | 5/9 Secondary reference Metalmart International, Inc. |
NSN 5330-01-543-1673 is a Seal,nonmetallic Special Shaped, manufactured by Robert Mckeown Company, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-543-1673 has 41 manufacturer part numbers on file: 4F73559-103A (Robert Mckeown Company, Inc.), 4F73559-103A (Sonfarrel Inc.), 4F73559-103A (Gme Manufacturing Inc), 4F73559-103A (Kirkhill, Inc. Dba Kirkhill Inc), 4F73559-103A (Ufc Aerospace Corp.) and 36 more.
Key specifications for 4F73559-103A: Cross-Sectional Height: 1.200 INCHES MINIMUM AND 1.320 INCHES MAXIMUM IN; Cross-Sectional Width: 0.990 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN; Material Document and Classification: ST-23-402 CLASS1, GRADE 60 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: D SHAPE. 6 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.