The Adapter,mechanical Puller, cataloged under National Stock Number 5120-01-079-8402, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5120-01-079-8402 |
| Primary Part Number | 845-4558709 ITEM 21 |
| Item Name | Adapter,mechanical Puller |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Female End Thread Class | 2B |
| Female End Thread Size and Series/type Designator | 0.250-20 UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 845-4558709 ITEM 21 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 4687720-0021 | 5/2 Secondary reference U.S. Government activity |
| 845-4687720 ITEM 21 | 3/2 Design control — primary reference U.S. Government activity |
| 2640-682-05 ITEM 21 | 5/2 Secondary reference U.S. Government activity |
NSN 5120-01-079-8402 is a Adapter,mechanical Puller, manufactured by Naval Sea Systems Command, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-079-8402 has 1 manufacturer part number on file: 845-4558709 ITEM 21 (Naval Sea Systems Command).
Key specifications for 845-4558709 ITEM 21: Female End Thread Class: 2B; Overall Length: 3.590 INCHES NOMINAL IN; Special Features: IAW NAVAL SHIPS SYSTEMS COMMAND DRAWING NUMBER 845-4687720, REVISION A, DATED 31 JUL 1975, ITEM NUMBER 21; Female End Thread Size and Series/type Designator: 0.250-20 UNIFIED NATIONAL COARSE (UNC). 2 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.