The Installation Tool,fastener,hand, cataloged under National Stock Number 5120-00-169-3003, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Huck International, Inc. Div Huck Products Division. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-169-3003 |
| Primary Part Number | H8603-10 |
| Item Name | Installation Tool,fastener,hand |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Huck International, Inc. Div Huck Products Division |
| Status | ACTIVE |
| General Characteristics Item Description | FOR SIZE 10 THREAD (0.190-32 UNF); FOR STANDARD COUNTERBORE INSTALLATION APPLICATIONS |
| 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 |
|---|---|
| H8603-10 PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
| Reference | Meaning |
|---|---|
| H8603-10 | 5/9 Secondary reference Keith-Harris Engineering Inc |
| H7503-10F | 5/9 Secondary reference U.S. Government activity |
| H8603-10 | 5/9 Secondary reference Huck International, Inc |
| 5120PL0919386 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| H7503-10 | 5/9 Secondary reference U.S. Government activity |
NSN 5120-00-169-3003 is a Installation Tool,fastener,hand, manufactured by Huck International, Inc. Div Huck Products Division, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-00-169-3003 has 1 manufacturer part number on file: H8603-10 (Huck International, Inc. Div Huck Products Division).
1 possible match (shared part number, not a government interchangeability claim): 4470-01-451-3383. Verify interchangeability with system specifications before substitution.
Key specifications for H8603-10: General Characteristics Item Description: FOR SIZE 10 THREAD (0.190-32 UNF); FOR STANDARD COUNTERBORE INSTALLATION APPLICATIONS; End Item Identification: ALCOA/HUCK CAPTIVE SCREWS AND TURN-LOC FASTENERS. 1 specification is 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.