The Bolt,shoulder, cataloged under National Stock Number 5306-01-327-9028, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is M.t. Davidson Company. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-327-9028 |
| Primary Part Number | GCP-C-861-28 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | M.t. Davidson Company |
| Status | ACTIVE |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| GCP-C-861 PIECE 28 | M.t. Davidson Company (USA) |
| GCP-C-861-28 PRIMARY | M.t. Davidson Company (USA) |
NSN 5306-01-327-9028 is a Bolt,shoulder, manufactured by M.t. Davidson Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-327-9028 has 2 manufacturer part numbers on file: GCP-C-861 PIECE 28 (M.t. Davidson Company), GCP-C-861-28 (M.t. Davidson Company).
Key specifications for GCP-C-861-28: Fastener Length: 0.750 INCHES NOMINAL IN; Shoulder Shape: ROUND FIRST SHOULDER; Material Document and Classification: QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL; Nominal Thread Diameter: 0.250 INCHES IN. 10 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.