The Packing Assembly, cataloged under National Stock Number 5330-01-117-2417, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Greene Tweed & Co Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-117-2417 |
| Primary Part Number | 7428MT-987-4780 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Temp Rating | -70.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Intermediate Ring Quantity | 1 |
| Outside Diameter | 5.349 INCHES MINIMUM AND 5.351 INCHES MAXIMUM IN |
| Material Document and Classification | 987 FSCM 72902 MFR REF SINGLE MATERIAL RESPONSE INTERMEDIATE RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR BOTTOM RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR TOP RING |
| Cross-Sectional Shape Style | SPECIAL INTERMEDIATE RING |
| Inside Diameter | 4.870 INCHES MINIMUM AND 4.872 INCHES MAXIMUM IN |
| Height | 0.424 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR INTERMEDIATE RING |
| Material | PLASTIC POLYAMIDE NYLON BOTTOM 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 |
|---|---|
| 7428MT-987-4780 PRIMARY | Greene Tweed & Co Inc (USA) |
| NM304TA2P428ST05 | Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps) (USA) |
| 6494-6428 PRIMARY | Kidde-Fenwal, Llc (USA) |
| Reference | Meaning |
|---|---|
| 6494-6428 | 7/2 Vendor item drawing reference U.S. Government activity |
| 10119647 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| N304TA2P428ST05 | 5/9 Secondary reference Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps) |
| 4182704PT428 | 3/9 Design control — primary reference Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps) |
| 7428MT987-4780 | 5/9 Secondary reference Palmetto Inc |
NSN 5330-01-117-2417 is a Packing Assembly, manufactured by Greene Tweed & Co Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-117-2417 has 3 manufacturer part numbers on file: 7428MT-987-4780 (Greene Tweed & Co Inc), NM304TA2P428ST05 (Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps)), 6494-6428 (Kidde-Fenwal, Llc).
Key specifications for 7428MT-987-4780: Temp Rating: -70.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Intermediate Ring Quantity: 1; Outside Diameter: 5.349 INCHES MINIMUM AND 5.351 INCHES MAXIMUM IN; Material Document and Classification: 987 FSCM 72902 MFR REF 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.