The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-879-4603, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Borgwarner Pds (anderson), L.l.c.. Government technical data includes 19 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5306-00-879-4603 |
| Primary Part Number | 1939970 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Borgwarner Pds (anderson), L.l.c. |
| Status | ACTIVE |
| Extended Washer Thickness | 0.032 INCHES NOMINAL IN |
| Head Height | 0.256 INCHES NOMINAL IN |
| Fastener Length | 5.870 INCHES MINIMUM AND 5.930 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.800 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN |
| First Diameter From Head | 0.260 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 5.010 INCHES MINIMUM AND 5.070 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.216 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Width Between Flats | 0.363 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 2 |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 1008 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 |
|---|---|
| 1939970 PRIMARY | Borgwarner Pds (anderson), L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| 88567 | 5/9 Secondary reference Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling |
| 1939970 | 5/9 Secondary reference General Motors Corp |
| 47357 | 5/9 Secondary reference Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. |
| 88567 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
| 1939970 | 5/9 Secondary reference General Motors Corp Delco Remy Div |
NSN 5306-00-879-4603 is a Bolt,externally Relieved Body, manufactured by Borgwarner Pds (anderson), L.l.c., classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-879-4603 has 1 manufacturer part number on file: 1939970 (Borgwarner Pds (anderson), L.l.c.).
2 possible matches (shared part number, not a government interchangeability claim): 5999-01-013-3837, 5330-01-530-5474. Verify interchangeability with system specifications before substitution.
Key specifications for 1939970: Extended Washer Thickness: 0.032 INCHES NOMINAL IN; Head Height: 0.256 INCHES NOMINAL IN; Fastener Length: 5.870 INCHES MINIMUM AND 5.930 INCHES MAXIMUM IN; Extended Washer Diameter: 0.500 INCHES NOMINAL IN. 19 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.