The Packing Assembly, cataloged under National Stock Number 5330-01-305-0243, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering. Government technical data includes 7 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-305-0243 |
| Primary Part Number | 261-122 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering |
| Status | ACTIVE |
| Intermediate Ring Quantity | 5 |
| Outside Diameter | 3.500 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | ANGLE TOP RING |
| Cross-Sectional Shape Style | V INTERMEDIATE RING |
| Cross-Sectional Shape Style | U BOTTOM RING |
| Inside Diameter | 2.750 INCHES NOMINAL IN |
| Height | 1.312 INCHES MINIMUM AND 1.372 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 261-122 PRIMARY | Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering (USA) |
| Reference | Meaning |
|---|---|
| 261-122 | 3/9 Design control — primary reference Pines Manufacturing Inc. Dba Pines Technology Div Pines Manufacturing Inc |
| 261-122 | 5/9 Secondary reference Teledyne Pines Teledyne Inc Company |
| 261-122 | 5/9 Secondary reference Risk Industries Llc Dba Pines Technology Div Headquarters |
| 1735AS151-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5330-01-305-0243 is a Packing Assembly, manufactured by Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-305-0243 has 1 manufacturer part number on file: 261-122 (Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering).
Key specifications for 261-122: Intermediate Ring Quantity: 5; Outside Diameter: 3.500 INCHES NOMINAL IN; Cross-Sectional Shape Style: ANGLE TOP RING; Cross-Sectional Shape Style: V INTERMEDIATE RING. 7 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.