The Pin-Rivet, cataloged under National Stock Number 5320-01-725-3229, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-725-3229 |
| Primary Part Number | ST3M761C08N3 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Fastener Length | 0.4895 INCHES MINIMUM AND 0.5095 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS2700 METHOD 1 OR 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | STRAIGHT PAN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.1640 INCHES IN |
| Grip Length | 0.1825 INCHES MINIMUM AND 0.1925 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0801 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNJC |
| Head Major Diameter | 0.306 INCHES MINIMUM AND 0.322 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 |
|---|---|
| ST3M761C08N3 PRIMARY | The Boeing Company Div Defense (USA) |
| HP4761-08N3 | Heartland Precision Fasteners Inc (USA) |
| HLT52-5-3 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT52-5-3 | West Coast Aerospace, Inc. (USA) |
| ST3M761C08N3 | Houston Precision Fasteners I Lp (USA) |
| ST3M761C08N3 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HLT52-5-3 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
NSN 5320-01-725-3229 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-725-3229 has 7 manufacturer part numbers on file: ST3M761C08N3 (The Boeing Company Div Defense), HP4761-08N3 (Heartland Precision Fasteners Inc), HLT52-5-3 (Sps Technologies, Llc Dba PB Fasteners), HLT52-5-3 (West Coast Aerospace, Inc.), ST3M761C08N3 (Houston Precision Fasteners I Lp) and 2 more.
Key specifications for ST3M761C08N3: Shank Diameter: 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN; Fastener Length: 0.4895 INCHES MINIMUM AND 0.5095 INCHES MAXIMUM IN. 18 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.