The Pin-Rivet, cataloged under National Stock Number 5320-01-644-5502, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5320-01-644-5502 |
| Primary Part Number | FIT7953C10Y18 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| Status | ACTIVE |
| Shank Diameter | 0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Fastener Length | 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | PER HI SHER SPEC NO 294 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Grip Length | 1.120 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN |
| Width Between Flats | 0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | ALUMINUM OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.557 INCHES MINIMUM AND 0.562 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 |
|---|---|
| FIT7953C10Y18 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HK0097C10Y18 PRIMARY | Huck International, Inc (USA) |
| VS3437VAP10Y18 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| WC197A10Y18 PRIMARY | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3D0097C10Y18 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-644-5502 is a Pin-Rivet, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-644-5502 has 4 manufacturer part numbers on file: FIT7953C10Y18 (Fastener Innovation Technology, Inc. Dba F I T), HK0097C10Y18 (Huck International, Inc), VS3437VAP10Y18 (Howmet Global Fastening Systems Inc Div City of Industry Operations), WC197A10Y18 (West Coast Aerospace, Inc.).
Key specifications for FIT7953C10Y18: Shank Diameter: 0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Fastener Length: 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN; Surface Treatment Document and Classification: PER HI SHER SPEC NO 294 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 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.