The Spacer,sleeve, cataloged under National Stock Number 5365-01-313-2398, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-313-2398 |
| Primary Part Number | 90445-5CP |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-N-290,CL I,TYPE VII FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Outside Diameter | 0.3600 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.2550 INCHES MINIMUM AND 0.2570 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | QQ-B-679,COMP 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | NICKEL OVERALL |
| Material | BRONZE AND ALUMINUM OVERALL |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 90445-5CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 2620-906X18 PIECE 21CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 90445-5 | 3/1 Design control — primary reference Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| 2620-906X18 PIECE 21 | 5/1 Secondary reference U.S. Government activity |
NSN 5365-01-313-2398 is a Spacer,sleeve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-313-2398 has 2 manufacturer part numbers on file: 90445-5CP (Naval Inventory Control Point Mechanicsburg), 2620-906X18 PIECE 21CP (Naval Inventory Control Point Mechanicsburg).
3 possible matches (shared part number, not a government interchangeability claim): 5325-01-612-2465, 1560-01-632-9336, 4820-01-670-8276. Verify interchangeability with system specifications before substitution.
Key specifications for 90445-5CP: Surface Treatment Document and Classification: QQ-N-290,CL I,TYPE VII FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Flange Outside Diameter: 0.3600 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM IN; Body Outside Diameter: 0.2550 INCHES MINIMUM AND 0.2570 INCHES MAXIMUM IN; Criticality Code Justification: ZZZY. 8 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.