The Bushing,sleeve, cataloged under National Stock Number 3120-01-320-7618, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is R.g.h. Associates, Inc. Dba Richards Screw Machine. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-320-7618 |
| Primary Part Number | P817H4-35 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | R.g.h. Associates, Inc. Dba Richards Screw Machine |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Outside Diameter | 0.4652 INCHES MINIMUM AND 0.4916 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.4000 INCHES MINIMUM AND 0.4010 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.2520 INCHES MINIMUM AND 0.2570 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Flange Width | 0.0230 INCHES MINIMUM AND 0.0280 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| P817H4-35 PRIMARY | R.g.h. Associates, Inc. Dba Richards Screw Machine (USA) |
| Reference | Meaning |
|---|---|
| P817H4-35 | 5/9 Secondary reference Mayday Manufacturing Co. |
| P817H4-35 | 7/2 Vendor item drawing reference U.S. Government activity |
| P817H4-35 | 5/9 Secondary reference Johnson Machine Works, Inc. Dba Johnson Machine Works Inc |
NSN 3120-01-320-7618 is a Bushing,sleeve, manufactured by R.g.h. Associates, Inc. Dba Richards Screw Machine, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-320-7618 has 1 manufacturer part number on file: P817H4-35 (R.g.h. Associates, Inc. Dba Richards Screw Machine).
Key specifications for P817H4-35: Corner Shape: SQUARE ALL CORNERS; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Flange Outside Diameter: 0.4652 INCHES MINIMUM AND 0.4916 INCHES MAXIMUM IN; Body Outside Diameter: 0.4000 INCHES MINIMUM AND 0.4010 INCHES MAXIMUM IN. 10 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.