The Bolt,machine, cataloged under National Stock Number 5306-01-556-3376, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Huck Fasteners Dba Huck Intl Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-556-3376 |
| Primary Part Number | MHSFX-DT16-32D1 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Huck Fasteners Dba Huck Intl Inc |
| Status | ACTIVE |
| Head Height | 15.1 MILLIMETERS MAXIMUM MM |
| Fastener Length | 83.5 MILLIMETERS NOMINAL MM |
| Extended Washer Diameter | 32.8 MILLIMETERS MAXIMUM MM |
| Thread Length | 50.5 MILLIMETERS NOMINAL MM |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 20.7 MILLIMETERS NOMINAL MM |
| Surface Treatment | CHROMATE ZINC OVERALL |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 12422435-002 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| MHSFX-DT16-32D1 PRIMARY | Huck Fasteners Dba Huck Intl Inc (USA) |
| Reference | Meaning |
|---|---|
| MHSFX-DT16-32U | 5/9 Secondary reference Huck Fasteners Dba Huck Intl Inc |
| 12422435 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5306-01-556-3376 is a Bolt,machine, manufactured by Huck Fasteners Dba Huck Intl Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-556-3376 has 2 manufacturer part numbers on file: 12422435-002 (U S Army Tank Automotive Command Amsta-Im-Mm), MHSFX-DT16-32D1 (Huck Fasteners Dba Huck Intl Inc).
5 possible matches (shared part number, not a government interchangeability claim): 5306-01-575-3971, 5306-01-589-5276, 5306-01-666-6646. Verify interchangeability with system specifications before substitution.
Key specifications for MHSFX-DT16-32D1: Head Height: 15.1 MILLIMETERS MAXIMUM MM; Fastener Length: 83.5 MILLIMETERS NOMINAL MM; Extended Washer Diameter: 32.8 MILLIMETERS MAXIMUM MM; Thread Length: 50.5 MILLIMETERS NOMINAL MM. 9 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.