The Packing Assembly, cataloged under National Stock Number 5330-00-684-2890, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Maxon Corporation. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-684-2890 |
| Primary Part Number | 70549 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Maxon Corporation |
| Status | ACTIVE |
| Intermediate Ring Quantity | 3 |
| Outside Diameter | 1.433 INCHES MINIMUM AND 1.439 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE BOTTOM RING |
| Material Document and Classification | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE INTERMEDIATE RING |
| Material Document and Classification | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE TOP RING |
| Cross-Sectional Shape Style | SPECIAL AND SPECIAL INTERMEDIATE RING |
| Inside Diameter | 0.999 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN |
| Height | 0.562 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE BOTTOM RING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE INTERMEDIATE RING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE TOP RING |
| 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 |
|---|---|
| 70549 PRIMARY | Maxon Corporation (USA) |
| Reference | Meaning |
|---|---|
| N850TR | 5/9 Secondary reference Maxon Corporation |
| 100204PCN850TR | 5/9 Secondary reference Maxon Corporation |
NSN 5330-00-684-2890 is a Packing Assembly, manufactured by Maxon Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-684-2890 has 1 manufacturer part number on file: 70549 (Maxon Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-266-8472. Verify interchangeability with system specifications before substitution.
Key specifications for 70549: Intermediate Ring Quantity: 3; Outside Diameter: 1.433 INCHES MINIMUM AND 1.439 INCHES MAXIMUM IN; Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE BOTTOM RING; Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE INTERMEDIATE RING. 11 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.