The Spacer,sleeve, cataloged under National Stock Number 5365-00-377-4644, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is A.w. Mack Manufacturing Co., Inc.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-377-4644 |
| Primary Part Number | 4016809 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | A.w. Mack Manufacturing Co., Inc. |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 0.2010 INCHES MINIMUM AND 0.2220 INCHES MAXIMUM IN |
| Material | STEEL COMP 634 OVERALL |
| 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 |
|---|---|
| 4016809 PRIMARY | A.w. Mack Manufacturing Co., Inc. (USA) |
| 4016809 | Newell Window Furnishings Co (CAN) |
| 4016809 | Kito Mfg Co. Ltd (JPN) |
| Reference | Meaning |
|---|---|
| 4016809 | 5/9 Secondary reference Kito Mfg Co. Ltd |
| 4016809 | 5/9 Secondary reference Cooper Industries Inc Cooper Petroleum Equipment Div Sunnyvale Operation |
| 4016809 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 5365-00-377-4644 is a Spacer,sleeve, manufactured by A.w. Mack Manufacturing Co., Inc., classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-377-4644 has 3 manufacturer part numbers on file: 4016809 (A.w. Mack Manufacturing Co., Inc.), 4016809 (Newell Window Furnishings Co), 4016809 (Kito Mfg Co. Ltd).
Key specifications for 4016809: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 0.4700 INCHES MINIMUM AND 0.4900 INCHES MAXIMUM 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.