The Spacer,ring, cataloged under National Stock Number 5365-01-221-9756, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Land & Armaments L.p.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-221-9756 |
| Primary Part Number | 1276-08-343 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Outside Diameter | 30.0 MILLIMETERS NOMINAL MM |
| Overall Thickness | 4.632 MILLIMETERS MINIMUM AND 4.750 MILLIMETERS MAXIMUM MM |
| Hardness Rating | 20.0 ROCKWELL C MINIMUM AND 25.0 ROCKWELL C MAXIMUM |
| Inside Diameter | 25.02 MILLIMETERS MINIMUM AND 25.35 MILLIMETERS MAXIMUM MM |
| Material | STEEL COMP 1040 OR STEEL COMP 1042 OR STEEL COMP 1043 OR STEEL COMP 1044 OR STEEL COMP 1045 |
| 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 |
|---|---|
| 1276-08-343 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| Reference | Meaning |
|---|---|
| 5365PL0830023 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5518960 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5365-01-221-9756 is a Spacer,ring, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-221-9756 has 1 manufacturer part number on file: 1276-08-343 (Bae Systems Land & Armaments L.p.).
Key specifications for 1276-08-343: Outside Diameter: 30.0 MILLIMETERS NOMINAL MM; Overall Thickness: 4.632 MILLIMETERS MINIMUM AND 4.750 MILLIMETERS MAXIMUM MM; Hardness Rating: 20.0 ROCKWELL C MINIMUM AND 25.0 ROCKWELL C MAXIMUM; Inside Diameter: 25.02 MILLIMETERS MINIMUM AND 25.35 MILLIMETERS MAXIMUM MM. 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.