The Packing Assembly, cataloged under National Stock Number 5330-01-512-9861, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-512-9861 |
| Primary Part Number | 7431FR-731-5717 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Outside Diameter | 5.724 INCHES NOMINAL IN |
| Material Document and Classification | (5F573)AVALON 09 MFR REF SINGLE MATERIAL RESPONSE BOTTOM RING |
| Material Document and Classification | (5F573)AVALON 09 MFR REF SINGLE MATERIAL RESPONSE TOP RING |
| Material Document and Classification | AMS-R-83248 CLASS 1 MIL SPEC 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 | 5.247 INCHES NOMINAL IN |
| Height | 0.375 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE BOTTOM RING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE TOP RING |
| Material | RUBBER FLUOROCARBON CLASS FPM INTERMEDIATE 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 |
|---|---|
| 600M23-42035 ITEM 43 | Moog Inc. Dba Ampac-Isp Corp (USA) |
| 600M23-42035-TD ITEM 1.43 | Moog Inc. Dba Ampac-Isp Corp (USA) |
| 36987-431 | Moog Inc. Dba Ampac-Isp Corp (USA) |
| 7431FR-731-5717 PRIMARY | Greene Tweed & Co Inc (USA) |
NSN 5330-01-512-9861 is a Packing Assembly, manufactured by Greene Tweed & Co Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-512-9861 has 4 manufacturer part numbers on file: 600M23-42035 ITEM 43 (Moog Inc. Dba Ampac-Isp Corp), 600M23-42035-TD ITEM 1.43 (Moog Inc. Dba Ampac-Isp Corp), 36987-431 (Moog Inc. Dba Ampac-Isp Corp), 7431FR-731-5717 (Greene Tweed & Co Inc).
Key specifications for 7431FR-731-5717: Outside Diameter: 5.724 INCHES NOMINAL IN; Material Document and Classification: (5F573)AVALON 09 MFR REF SINGLE MATERIAL RESPONSE BOTTOM RING; Material Document and Classification: (5F573)AVALON 09 MFR REF SINGLE MATERIAL RESPONSE TOP RING; Material Document and Classification: AMS-R-83248 CLASS 1 MIL SPEC 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.