The Bushing, cataloged under National Stock Number 3120-01-079-1509, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-079-1509 |
| Primary Part Number | 203-4678525 ITEM 2 |
| Item Name | Bushing |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | BRASS,QQ-B-637,ALLOY 464,1/2 H,5.9400 IN. O/A LG,3.9960 IN. MIN 3.9980 IN. MAX BODY DIA,6.0000 IN. NOM FLANGE DIA,1.0000 IN. NOM FLANGE W,0.9370 IN. MIN 0.9380 IN. MAX BORE DIA,4 HOLES THRU FLANGE 0.4060 IN. DIA,4 HOLES THD THRU FLANGE 0.375-16 UNC-2B AND COUNTERSINK TO 0.4100 IN. DIA,FLANGE FACE HOLES ON A 5.3120 IN. BOLT CIRCLE DIA IN |
| 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 |
|---|---|
| 203-4678525 ITEM 2 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 87714-0513 ITEM 2 | 5/2 Secondary reference U.S. Government activity |
NSN 3120-01-079-1509 is a Bushing, manufactured by Naval Sea Systems Command, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-079-1509 has 1 manufacturer part number on file: 203-4678525 ITEM 2 (Naval Sea Systems Command).
Key specifications for 203-4678525 ITEM 2: General Characteristics Item Description: BRASS,QQ-B-637,ALLOY 464,1/2 H,5.9400 IN. O/A LG,3.9960 IN. MIN 3.9980 IN. MAX BODY DIA,6.0000 IN. NOM FLANGE DIA,1.0000 IN. NOM FLANGE W,0.9370 IN. MIN 0.9380 IN. MAX BORE DIA,4 HOLES THRU FLANGE 0.4060 IN. DIA,4 HOLES THD THRU FLANGE 0.375-16 UNC-2B AND COUNTERSINK TO 0.4100 IN. DIA,FLANGE FACE HOLES ON A 5.3120 IN. BOLT CIRCLE DIA IN. 1 specification is 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.