The Retainer,packing, cataloged under National Stock Number 5330-01-300-9751, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-300-9751 |
| Primary Part Number | 4674751-0013L1 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Attachment Hole Diameter | 1.063 INCHES NOMINAL IN |
| Attachment Feature Quantity | 8 |
| FSC Application Data | STERN DIVING GEAR |
| Cross-Sectional Height | 2.380 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | QQ-C-00465 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | FLANGE |
| Attachment Feature Circle Diameter | 11.000 INCHES NOMINAL SINGLE CIRCLE IN |
| Flanged Body Outside Diameter | 7.499 INCHES MINIMUM AND 7.501 INCHES MAXIMUM IN |
| Peripheral Diameter | 13.500 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATIONS AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Attachment Method | ROUND HOLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 4674751-0013L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 518-4674751 ITEM 13L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 4674751-0013 | 5/1 Secondary reference U.S. Government activity |
| 518-4674751 ITEM 13 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5330-01-300-9751 is a Retainer,packing, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-300-9751 has 2 manufacturer part numbers on file: 4674751-0013L1 (Naval Inventory Control Point Mechanicsburg), 518-4674751 ITEM 13L1 (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-545-3488. Verify interchangeability with system specifications before substitution.
Key specifications for 4674751-0013L1: Attachment Hole Diameter: 1.063 INCHES NOMINAL IN; Attachment Feature Quantity: 8; FSC Application Data: STERN DIVING GEAR; Cross-Sectional Height: 2.380 INCHES NOMINAL IN. 13 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.