The Pin-Rivet, cataloged under National Stock Number 5320-00-326-5537, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-326-5537 |
| Primary Part Number | HL41-5-15 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Shank Diameter | 0.163 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Fastener Length | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 258,FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Grip Length | 0.943 INCHES MAXIMUM IN |
| Width Between Flats | 0.079 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNJC |
| Head Major Diameter | 0.256 INCHES MINIMUM AND 0.261 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 |
|---|---|
| HL41-5-15 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST2187-15 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| HL41-5-15 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HL41-5-15 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL41-5-15 | Huck International, Inc (USA) |
| HL41-5-15 PRIMARY | Hi-Shear Corporation (USA) |
| HL41-4-15 | West Coast Aerospace, Inc. (USA) |
| HL41-5-15 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL41-5-15 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| ST25D60-5-15 | 5/9 Secondary reference Lockheed Martin Corp |
| ST3M415C08-15 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HL41-5-15 | 5/2 Secondary reference U.S. Government activity |
| HL41-5-15 | 5/2 Secondary reference U.S. Government activity |
| MA4415-08-15 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| HL41-5-15 | 5/9 Secondary reference U.S. Government activity |
| AIC-L-41-5-15 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
NSN 5320-00-326-5537 is a Pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-326-5537 has 9 manufacturer part numbers on file: HL41-5-15 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST2187-15 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), HL41-5-15 (Sps Technologies Ltd, Tj Brooks Division), HL41-5-15 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL41-5-15 (Huck International, Inc) and 4 more.
Key specifications for HL41-5-15: Shank Diameter: 0.163 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Fastener Length: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN; Surface Treatment Document and Classification: 258,FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 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.