The Spacer,ring, cataloged under National Stock Number 5365-01-243-7261, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-243-7261 |
| Primary Part Number | 122-5343946 PIECE 20 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Outside Diameter | 1.750 INCHES NOMINAL IN |
| Overall Thickness | 0.1065 INCHES MINIMUM AND 0.1115 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-B-637,ALLOY 482 FED SPEC SINGLE MATERIAL RESPONSE |
| Inside Diameter | 1.410 INCHES NOMINAL IN |
| Material | COPPER ALLOY 464 |
| 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 |
|---|---|
| 122-5343946 PIECE 20 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5343946-0020 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5365-01-243-7261 is a Spacer,ring, manufactured by Naval Sea Systems Command, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-243-7261 has 1 manufacturer part number on file: 122-5343946 PIECE 20 (Naval Sea Systems Command).
Key specifications for 122-5343946 PIECE 20: Outside Diameter: 1.750 INCHES NOMINAL IN; Overall Thickness: 0.1065 INCHES MINIMUM AND 0.1115 INCHES MAXIMUM IN; Material Document and Classification: QQ-B-637,ALLOY 482 FED SPEC SINGLE MATERIAL RESPONSE; Inside Diameter: 1.410 INCHES NOMINAL IN. 5 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.