The Bolt,u, cataloged under National Stock Number 5306-00-392-0874, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Pdi Ground Support Systems, Inc.. Government technical data includes 12 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5306-00-392-0874 |
| Primary Part Number | 12-1728 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Pdi Ground Support Systems, Inc. |
| Status | ACTIVE |
| Inside Distance Between Shanks | 2.031 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN |
| Thread Length | 1.500 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN |
| Hardness Rating | 215.0 BRINELL HULTGREN MINIMUM AND 255.0 BRINELL HULTGREN MAXIMUM OVERALL |
| Distance From Inside Center of Bend to Bolt End | 4.500 INCHES NOMINAL IN |
| Style Designator | SQUARE BEND |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 1035 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 12-1728 PRIMARY | Pdi Ground Support Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 67A314C205-1 | C/1 Advisory reference — outside the item-of-supply concept Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5306-00-392-0874 is a Bolt,u, manufactured by Pdi Ground Support Systems, Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-392-0874 has 1 manufacturer part number on file: 12-1728 (Pdi Ground Support Systems, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 6685-01-241-9961, 5365-01-499-3408, 4720-01-614-9672. Verify interchangeability with system specifications before substitution.
Key specifications for 12-1728: Inside Distance Between Shanks: 2.031 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN; Thread Length: 1.500 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN; Hardness Rating: 215.0 BRINELL HULTGREN MINIMUM AND 255.0 BRINELL HULTGREN MAXIMUM OVERALL; Distance From Inside Center of Bend to Bolt End: 4.500 INCHES NOMINAL IN. 12 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.