The Spacer,ring, cataloged under National Stock Number 5365-01-245-4258, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5365-01-245-4258 |
| Primary Part Number | 77-7562 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Material Document and Classification | MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inside Diameter | 0.156 INCHES NOMINAL IN |
| Material | COPPER ALLOY 706 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 633-C-7848 ITEM 15 | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| 77-7562 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 77-7562 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
| 633-C-7848 ITEM 15 | 5/9 Secondary reference Aqua-Chem, Inc. |
NSN 5365-01-245-4258 is a Spacer,ring, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-245-4258 has 2 manufacturer part numbers on file: 633-C-7848 ITEM 15 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 77-7562 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-268-5111. Verify interchangeability with system specifications before substitution.
Key specifications for 77-7562: Material Document and Classification: MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE; Inside Diameter: 0.156 INCHES NOMINAL IN; Material: COPPER ALLOY 706. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.