The Bushing,sleeve, cataloged under National Stock Number 3120-01-044-2374, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Howe Machine & Tool Corp. Dba Howe Machine & Tool Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-044-2374 |
| Primary Part Number | A51G10624-19 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Howe Machine & Tool Corp. Dba Howe Machine & Tool Corp |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Outside Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.2500 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Test Data Document | 81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | STEEL COMP 630 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 |
|---|---|
| A51G10624-19 | Howe Machine & Tool Corp. Dba Howe Machine & Tool Corp (USA) |
| A51G10624-19 | Capy Machine Shop Inc. Dba Capy Machine Shop Inc (USA) |
| Reference | Meaning |
|---|---|
| A51G10624-19 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| A51G10624-19 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
NSN 3120-01-044-2374 is a Bushing,sleeve, manufactured by Howe Machine & Tool Corp. Dba Howe Machine & Tool Corp, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-044-2374 has 2 manufacturer part numbers on file: A51G10624-19 (Howe Machine & Tool Corp. Dba Howe Machine & Tool Corp), A51G10624-19 (Capy Machine Shop Inc. Dba Capy Machine Shop Inc).
Key specifications for A51G10624-19: Corner Shape: SQUARE ALL CORNERS; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Body Outside Diameter: 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL. 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.