The Fixture,lapping,mk4, cataloged under National Stock Number 3419-01-563-9771, is classified within Federal Supply Class 3419 (Miscellaneous Machine Tools) of the Metalworking Machinery (continued) 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3419-01-563-9771 |
| Primary Part Number | SA7132672 |
| Item Name | Fixture,lapping,mk4 |
| FSC / FSG | 3419 / 34 — Miscellaneous Machine Tools |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 0.325 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SA7132672 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| SA7132672 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 3419-01-563-9771 is a Fixture,lapping,mk4, manufactured by Naval Sea Systems Command, classified under FSC 3419, Miscellaneous Machine Tools. Status: active.
NSN 3419-01-563-9771 has 1 manufacturer part number on file: SA7132672 (Naval Sea Systems Command).
Key specifications for SA7132672: Overall Diameter: 0.325 INCHES NOMINAL IN; Overall Length: 1.875 INCHES NOMINAL IN; Special Features: HAS FINE KNURL FINISH WITH V GROOVE OF 0.010 INCH WIDE BY 0.010 INCH DEEP ON SMALLEST DIAMETER SECTION IN; Part Name Assigned by Controlling Agency: GUIDE BASE LAPPING TOOL FOR SPEEDCONTROL VALVE. 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.
NSN 3419-01-563-9771 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.