The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-709-2343, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Moog Inc. Dba Ampac-Isp Corp. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Back-Up Ring,preformed Packing |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Moog Inc. Dba Ampac-Isp Corp (CAGE 07270) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-709-2343 |
| Primary Part Number | CD03251-001 |
| Item Name | Back-Up Ring,preformed Packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Moog Inc. Dba Ampac-Isp Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| CC73592-22 | Moog Inc. Dba Ampac-Isp Corp (USA) |
| CD03251-001 PRIMARY | Moog Inc. Dba Ampac-Isp Corp (USA) |
| Reference | Meaning |
|---|---|
| CC73592/SHEET 1 ITEM 22 | C/1 Advisory reference — outside the item-of-supply concept Moog Inc. Dba Ampac-Isp Corp |
| CC73592 | D/9 Drawing number reference only Moog Inc. Dba Ampac-Isp Corp |
NSN 5330-01-709-2343 is a Back-Up Ring,preformed Packing, manufactured by Moog Inc. Dba Ampac-Isp Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-709-2343 has 2 manufacturer part numbers on file: CC73592-22 (Moog Inc. Dba Ampac-Isp Corp), CD03251-001 (Moog Inc. Dba Ampac-Isp Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-710-4541, 3020-01-715-9145. Verify interchangeability with system specifications before substitution.
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.