The Nut,clip-on, cataloged under National Stock Number 5310-01-425-5396, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Tld Ace Corp Div Tld Ace. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-425-5396 |
| Primary Part Number | F391 |
| Item Name | Nut,clip-on |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Tld Ace Corp Div Tld Ace |
| Status | ACTIVE |
| Thread Series | UNUN |
| Distance From Base to Center of Aperture | 20.68 MILLIMETERS MINIMUM AND 20.68 MILLIMETERS MINIMUM AND 21.48 MILLIMETERS MAXIMUM21.48 MILLIMETERS MAXIMUM MM |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Panel Thickness | 2.44 MILLIMETERS MINIMUM AND 2.44 MILLIMETERS MINIMUM AND 2.94 MILLIMETERS MAXIMUM2.94 MILLIMETERS MAXIMUM MM |
| Nominal Thread Size | 0.250 INCHES0.250 INCHES IN |
| Thread Class | 2B2B |
| Thread Quantity Per Inch | 2020 |
| Material | STEEL 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 |
|---|---|
| F391 PRIMARY | Tld Ace Corp Div Tld Ace (USA) |
| Reference | Meaning |
|---|---|
| C33924-1420 | 5/9 Secondary reference Tinnerman Palnut Engineered Products, Inc. |
NSN 5310-01-425-5396 is a Nut,clip-on, manufactured by Tld Ace Corp Div Tld Ace, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-425-5396 has 1 manufacturer part number on file: F391 (Tld Ace Corp Div Tld Ace).
Key specifications for F391: Thread Series: UNUN; Distance From Base to Center of Aperture: 20.68 MILLIMETERS MINIMUM AND 20.68 MILLIMETERS MINIMUM AND 21.48 MILLIMETERS MAXIMUM21.48 MILLIMETERS MAXIMUM MM; Overall Width: 15.62 MILLIMETERS MINIMUM AND 15.62 MILLIMETERS MINIMUM AND 16.12 MILLIMETERS MAXIMUM16.12 MILLIMETERS MAXIMUM MM; Thread Direction: RIGHT-HANDRIGHT-HAND. 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.