The Nut,self-Locking,single Ball Sea, cataloged under National Stock Number 5310-00-062-1555, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-062-1555 |
| Primary Part Number | H19700P6 |
| Item Name | Nut,self-Locking,single Ball Sea |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Width Across Flats | 0.434 INCHES NOMINAL IN |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.305 INCHES NOMINAL IN |
| Ball Seat Radius | 0.440 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | SINGLE BALL SEAT, HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| H19700P6 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| H19700-6 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| TLN1020-6 | Reid Products Inc. Dba Reid Products Inc (USA) |
| TLN1020-6 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 53488-624 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| TLN1020-6 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| TLN1020-6 | 5/9 Secondary reference U.S. Government activity |
| TLN1020-6 | 5/2 Secondary reference U.S. Government activity |
| BACN10MT6 | 5/2 Secondary reference U.S. Government activity |
| SAN1000-6 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| 071 | 5/9 Secondary reference Ordnance Supply Office |
| TLN1020-6 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| 52LH6073-064 | 5/9 Secondary reference Harvard Industries Inc |
| 876071-00 | 5/9 Secondary reference Defense Reduction Agency |
| TLN1020-6 | 5/9 Secondary reference U.S. Government activity |
| SAN1000-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-062-1555 is a Nut,self-Locking,single Ball Sea, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-062-1555 has 6 manufacturer part numbers on file: H19700P6 (Howmet Global Fastening Systems Inc), H19700-6 (Howmet Global Fastening Systems Inc), TLN1020-6 (Reid Products Inc. Dba Reid Products Inc), TLN1020-6 (Sps Technologies, Llc Dba PB Fasteners), 53488-624 (Sps Technologies, Llc Dba PB Fasteners) and 1 more.
3 possible matches (shared part number, not a government interchangeability claim): 4130-01-422-6139, 6635-01-534-4739, 4940-01-573-5784. Verify interchangeability with system specifications before substitution.
Key specifications for H19700P6: Width Across Flats: 0.434 INCHES NOMINAL IN; Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.375 INCHES IN. 12 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.