The Gearshaft Set,helical, cataloged under National Stock Number 4320-00-976-4709, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Woods T B Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-00-976-4709 |
| Primary Part Number | C641-1XC642-1 |
| Item Name | Gearshaft Set,helical |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Woods T B Inc |
| Status | ACTIVE |
| General Characteristics Item Description | HARDENED STEEL; 8 TEETH ON LONGEST GEARSHAFT; 8 TEETH ON SHORTEST GEARSHAFT; 16 DEG RH HELIXANGLE ON BOTH GEARSHAFTS; 20 DEG PRESSURE ANGLE ON BOTH GEARSHAFTS; 9.625 IN. LENGTH OF LONGEST GEARSHAFT; 4.625 IN. LENGTH OF SHORTEST GEAR SHAFT; 1.0637 IN. PITCH DIA ON BOTH GEARSHAFTS; GEAR TEETH ON BOTHSHAFTS INDUCTION HARDENED 0.062 IN. BELOW ROOT LINE TO ROCKWELL C60 TO 64; BOTH SHAFTS INDUCTION HARDENED 0.062 IN. DEEP ROCKWELL C60 TO 64 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 |
|---|---|
| C641-1XC642-1 PRIMARY | Woods T B Inc (USA) |
| C641-1XC642-1 | Gilbarco Inc. Dba Gilbarco Inc (USA) |
| Reference | Meaning |
|---|---|
| C700-8XC700-17 | 5/9 Secondary reference Woods T B Inc |
| C700-8ANDC700-17 | 5/9 Secondary reference Gilbarco Inc. Dba Gilbarco Inc |
NSN 4320-00-976-4709 is a Gearshaft Set,helical, manufactured by Woods T B Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-976-4709 has 2 manufacturer part numbers on file: C641-1XC642-1 (Woods T B Inc), C641-1XC642-1 (Gilbarco Inc. Dba Gilbarco Inc).
Key specifications for C641-1XC642-1: General Characteristics Item Description: HARDENED STEEL; 8 TEETH ON LONGEST GEARSHAFT; 8 TEETH ON SHORTEST GEARSHAFT; 16 DEG RH HELIXANGLE ON BOTH GEARSHAFTS; 20 DEG PRESSURE ANGLE ON BOTH GEARSHAFTS; 9.625 IN. LENGTH OF LONGEST GEARSHAFT; 4.625 IN. LENGTH OF SHORTEST GEAR SHAFT; 1.0637 IN. PITCH DIA ON BOTH GEARSHAFTS; GEAR TEETH ON BOTHSHAFTS INDUCTION HARDENED 0.062 IN. BELOW ROOT LINE TO ROCKWELL C60 TO 64; BOTH SHAFTS INDUCTION HARDENED 0.062 IN. DEEP ROCKWELL C60 TO 64 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.