The Stud,locked in, cataloged under National Stock Number 5307-01-155-4478, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5307-01-155-4478 |
| Primary Part Number | KNHMS16X2.0MX-90-35 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Thread Tolerance Class | 4H EXTERNAL STUD THREAD |
| Thread Tolerance Class | 4H EXTERNAL NUT THREAD |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 1.50 STUD THREAD |
| Thread Pitch in Millimeters | 2.00 NUT THREAD |
| Thread Length | 21.25 MILLIMETERS MINIMUM AND 22.75 MILLIMETERS MAXIMUM STUD THREAD MM |
| Thread Length | 25.25 MILLIMETERS MINIMUM AND 26.75 MILLIMETERS MAXIMUM NUT THREAD MM |
| Style Designator | LOCKED IN |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Distance From End of Stud End Threads to Nut End | 90.0 MILLIMETERS MAXIMUM MM |
| Nominal Thread Size | 16.0 MILLIMETERS NUT THREAD MM |
| Nominal Thread Size | 22.0 MILLIMETERS STUD THREAD MM |
| Locking Feature | RING, LOCK KEYED |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 303 |
| Thread Series Designator | M STUD THREAD |
| Thread Series Designator | M NUT THREAD |
| 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 |
|---|---|
| KNHMS16X2.0MX-90-35 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| KNHMS16X2.0MX-90 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
| 13026321 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
| KNHMS16X2.0MX90SX | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
NSN 5307-01-155-4478 is a Stud,locked in, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-155-4478 has 1 manufacturer part number on file: KNHMS16X2.0MX-90-35 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for KNHMS16X2.0MX-90-35: Thread Tolerance Class: 4H EXTERNAL STUD THREAD; Thread Tolerance Class: 4H EXTERNAL NUT THREAD; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Pitch in Millimeters: 1.50 STUD THREAD. 19 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.