The Retainer,packing, cataloged under National Stock Number 5330-00-901-6446, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-901-6446 |
| Primary Part Number | 665843 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Attachment Hole Diameter | 0.195 INCHES NOMINAL IN |
| Attachment Feature Quantity | 5 |
| FSC Application Data | ANTI-ICING SYSTEM,ACFT |
| Cross-Sectional Height | 0.310 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross Section Inside Diameter | 1.600 INCHES NOMINAL IN |
| Flanged Body Outside Diameter | 2.102 INCHES NOMINAL IN |
| Cross Section Outside Diameter | 2.860 INCHES MINIMUM AND 2.880 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Attachment Method | ROUND HOLE |
| 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 |
|---|---|
| 665843 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 665843 | 3/2 Design control — primary reference U.S. Government activity |
| 665843 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 5330-00-901-6446 is a Retainer,packing, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-901-6446 has 1 manufacturer part number on file: 665843 (Honeywell International Inc. Div Aerospace - Torrance).
1 possible match (shared part number, not a government interchangeability claim): 4030-01-301-9093. Verify interchangeability with system specifications before substitution.
Key specifications for 665843: Attachment Hole Diameter: 0.195 INCHES NOMINAL IN; Attachment Feature Quantity: 5; FSC Application Data: ANTI-ICING SYSTEM,ACFT; Cross-Sectional Height: 0.310 INCHES NOMINAL IN. 10 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.