The Pin-Rivet, cataloged under National Stock Number 5320-01-573-2239, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5320-01-573-2239 |
| Primary Part Number | TLC881-5-20E |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.347 INCHES NOMINAL IN |
| Tip Diameter | 0.305 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Shank Style | PIN-RIVET, TAPERED, THREADED |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.528 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN |
| 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 |
|---|---|
| TLC881-5-20E PRIMARY | Huck International, Inc (USA) |
| TLC881-5-20E | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| TLC881-5-20E | Reid Products Inc. Dba Reid Products Inc (USA) |
| TLC881-5-20E | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| TLC881-5-20E | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-573-2239 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-573-2239 has 4 manufacturer part numbers on file: TLC881-5-20E (Huck International, Inc), TLC881-5-20E (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), TLC881-5-20E (Reid Products Inc. Dba Reid Products Inc), TLC881-5-20E (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners).
Key specifications for TLC881-5-20E: Shank Diameter: 0.347 INCHES NOMINAL IN; Tip Diameter: 0.305 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN; Head Style: FLUSH COUNTERSUNK; Thread Direction: RIGHT-HAND. 11 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.