The Packing Assembly, cataloged under National Stock Number 5330-01-512-1745, 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 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-512-1745 |
| Primary Part Number | 7339MR-731-P4 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Outside Diameter | 3.618 INCHES MINIMUM AND 3.620 INCHES MAXIMUM IN |
| Material Document and Classification | (5F573)+4 SCARF CUT TFE TO GTC SPEC MFR REF SINGLE MATERIAL RESPONSE BOTTOM RING |
| Material Document and Classification | (5F573)+4 SCARF CUT TFE TO GTC SPEC MFR REF SINGLE MATERIAL RESPONSE TOP |
| Material Document and Classification | (5F573)731;(SATM D1418)FKM 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 | TEE INTERMEDIATE RING |
| Inside Diameter | 3.242 INCHES MINIMUM AND 3.246 INCHES MAXIMUM IN |
| Height | 0.281 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM INTERMEDIATE RING |
| Material | GRAPHITE AND PLASTIC POLYTETRAFLUOROETHYLENE BOTTOM RING |
| Material | GRAPHITE AND PLASTIC POLYTETRAFLUOROETHYLENE TOP |
| 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 |
|---|---|
| 80120-41930 ITEM 49 | Moog Inc. Dba Ampac-Isp Corp (USA) |
| 7339MR-731-P4 PRIMARY | Greene Tweed & Co Inc (USA) |
| 36986-339 | Moog Inc. Dba Ampac-Isp Corp (USA) |
NSN 5330-01-512-1745 is a Packing Assembly, manufactured by Greene Tweed & Co Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-512-1745 has 3 manufacturer part numbers on file: 80120-41930 ITEM 49 (Moog Inc. Dba Ampac-Isp Corp), 7339MR-731-P4 (Greene Tweed & Co Inc), 36986-339 (Moog Inc. Dba Ampac-Isp Corp).
Key specifications for 7339MR-731-P4: Outside Diameter: 3.618 INCHES MINIMUM AND 3.620 INCHES MAXIMUM IN; Material Document and Classification: (5F573)+4 SCARF CUT TFE TO GTC SPEC MFR REF SINGLE MATERIAL RESPONSE BOTTOM RING; Material Document and Classification: (5F573)+4 SCARF CUT TFE TO GTC SPEC MFR REF SINGLE MATERIAL RESPONSE TOP; Material Document and Classification: (5F573)731;(SATM D1418)FKM MFR REF SINGLE MATERIAL RESPONSE INTERMEDIATE RING. 12 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.