The Pin-Rivet, cataloged under National Stock Number 5320-01-475-7649, 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 15 specifications, cited from the U.S. Government catalog. The record lists 17 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-475-7649 |
| Primary Part Number | HLT953TB-8-20 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Fastener Length | 1.6350 INCHES MINIMUM AND 1.6550 INCHES MAXIMUM IN |
| Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.2500 INCHES IN |
| Grip Length | 1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.470 INCHES MINIMUM AND 0.477 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 |
|---|---|
| HLT953TB-8-20 PRIMARY | Huck International, Inc (USA) |
| ST3M760T4-20 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HLT953TB-8-20 | West Coast Aerospace, Inc. (USA) |
| HLT953DL-8-20 PRIMARY | Hi-Shear Corporation (USA) |
| HLT953TB-8-20 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT953TB-8-20 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HP4760T4-20 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| HLT953TB-8-20 PRIMARY | Hi-Shear Corporation (USA) |
| HLT953DL-8-20 PRIMARY | Huck International, Inc (USA) |
| HLT953DL-8-20 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT953DL-8-20 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M760T4-20 PRIMARY | The Boeing Company Div Defense (USA) |
| HLT953TB-8-20 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT953DL-8-20 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT953TB-8-20 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT953DL-8-20 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT953DL-8-20 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HLT953TB-8-20 | 3/2 Design control — primary reference U.S. Government activity |
| HLT953TB-8-20 | 3/2 Design control — primary reference U.S. Government activity |
| HLT953TB-8-20 | 5/9 Secondary reference Sps Technologies Inc |
| HLT953DL-8-20 | 5/9 Secondary reference U.S. Government activity |
| HLT953TB-8-20 | 5/9 Secondary reference U.S. Government activity |
| HLT953DL-8-20 | 3/2 Design control — primary reference U.S. Government activity |
| HLT953DL-8-20 | 5/9 Secondary reference Sps Technologies Inc |
| HLT953DL-8-20 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-475-7649 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-475-7649 has 17 manufacturer part numbers on file: HLT953TB-8-20 (Huck International, Inc), ST3M760T4-20 (Fastener Innovation Technology, Inc. Dba F I T), HLT953TB-8-20 (West Coast Aerospace, Inc.), HLT953DL-8-20 (Hi-Shear Corporation), HLT953TB-8-20 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 12 more.
Key specifications for HLT953TB-8-20: Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Fastener Length: 1.6350 INCHES MINIMUM AND 1.6550 INCHES MAXIMUM IN; Material Document and Classification: AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Head Style: FLUSH COUNTERSUNK. 15 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.