The Thinwall Keyseret, cataloged under National Stock Number 5120-01-618-1537, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-618-1537 |
| Primary Part Number | 72375 |
| Item Name | Thinwall Keyseret |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Thread Size and Series/type Designator | 0.500-13 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 |
|---|---|
| 72375 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
NSN 5120-01-618-1537 is a Thinwall Keyseret, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-618-1537 has 1 manufacturer part number on file: 72375 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for 72375: Overall Length: 0.500 INCHES NOMINAL IN; Special Features: INSERTT: EXTERNAL THREAD CLASS 2A 0.500-13, LENGTH 0.500 NOMINAL INCH; INSTALLATION: TAP DRILL SIZE 0.453125, COUNTERSINK DIAMETER 0.510-0.520 NOMINAL INCH, THREAD TAP CLASS 2B SIZE 0.500-13 WITH MINIMUM DEPTH 0.560 NOMINAL INCH; REMOVAL: DRILL SIZE 0.40625 WITH DEPTH 0.1875 A; Part Name Assigned by Controlling Agency: THINWALL KEYSERT; End Item Identification: STRYKER. 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.