The Pin-Rivet, cataloged under National Stock Number 5320-01-270-4241, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-270-4241 |
| Primary Part Number | GB511BC8-3 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.5060 INCHES MINIMUM AND 0.5065 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL |
| Head Height | 0.103 INCHES MINIMUM AND 0.116 INCHES MAXIMUM IN |
| Fastener Length | 0.978 INCHES MINIMUM AND 0.998 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | TI-SHIELD 3,CAGEC 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Grip Length | 0.198 INCHES MAXIMUM IN |
| Width Between Flats | 0.2207 INCHES MINIMUM AND 0.2242 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | ANODIZE OVERALL |
| Shear Strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.735 INCHES MINIMUM AND 0.770 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 |
|---|---|
| GB511BC8-3 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| HLT340TL16-3 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT340TL16-3 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT340TL16-3 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT340TL16-3 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HLT340TL16-3 | 5/2 Secondary reference U.S. Government activity |
| HLT340TL16-3 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| HLT340TL16-3 | 5/9 Secondary reference U.S. Government activity |
| GB511BC | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
| GB511BC8-3 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-270-4241 is a Pin-Rivet, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-270-4241 has 5 manufacturer part numbers on file: GB511BC8-3 (Northrop Grumman Systems Corporation), HLT340TL16-3 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT340TL16-3 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT340TL16-3 (Sps Technologies, Llc Dba PB Fasteners), HLT340TL16-3 (Hi-Shear Corporation).
Key specifications for GB511BC8-3: Shank Diameter: 0.5060 INCHES MINIMUM AND 0.5065 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL; Head Height: 0.103 INCHES MINIMUM AND 0.116 INCHES MAXIMUM IN; Fastener Length: 0.978 INCHES MINIMUM AND 0.998 INCHES MAXIMUM IN. 19 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.