The Nut,plain,clinch, cataloged under National Stock Number 5310-01-398-7067, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. Government technical data includes 8 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-398-7067 |
| Primary Part Number | 9998-7015-003 |
| Item Name | Nut,plain,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Nut Diameter | 0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| Nut Height | 0.176 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 40 |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| 9998-7015-003 PRIMARY | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA) |
| KFB3-440-12ET | Penn Engineering & Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| KFB3-440-12 | 5/9 Secondary reference Penn Engineering & Manufacturing Corp |
NSN 5310-01-398-7067 is a Nut,plain,clinch, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-398-7067 has 2 manufacturer part numbers on file: 9998-7015-003 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems), KFB3-440-12ET (Penn Engineering & Manufacturing Corp).
Key specifications for 9998-7015-003: Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.112 INCHES IN; Nut Diameter: 0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN. 8 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.