The Retainer Gasket, cataloged under National Stock Number 5330-01-658-9742, 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 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-658-9742 |
| Primary Part Number | H547-0291-63D4 |
| Item Name | Retainer Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES |
| 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 |
|---|---|
| H547-0291-63D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7383858-H547-0291-0063D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 167-7106772-63D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| H574-0001-H547-0291-0063D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| H574-0001-H547-0291-0063 | 5/2 Secondary reference U.S. Government activity |
| H547-0291-63 | 5/2 Secondary reference U.S. Government activity |
| 167-7106772-63 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 7383858-H547-0291-0063 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5330-01-658-9742 is a Retainer Gasket, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-658-9742 has 4 manufacturer part numbers on file: H547-0291-63D4 (Naval Inventory Control Point Mechanicsburg), 7383858-H547-0291-0063D4 (Naval Inventory Control Point Mechanicsburg), 167-7106772-63D4 (Naval Inventory Control Point Mechanicsburg), H574-0001-H547-0291-0063D4 (Naval Inventory Control Point Mechanicsburg).
Key specifications for H547-0291-63D4: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES. 2 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.