The Bolt,machine, cataloged under National Stock Number 5306-00-261-3398, 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 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-00-261-3398 |
| Primary Part Number | 1920155 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Borgwarner Pds (anderson), L.l.c. |
| Status | ACTIVE |
| Head Height | 0.125 INCHES NOMINAL IN |
| Fastener Length | 0.781 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | P-45M FSCM 16764 MFR REF 1ST TREATMENT RESPONSE AND P-10E FSCM 16764 MFR REF 2ND TREATMENT RESPONSE OVERALL |
| Distance From Centerline to Flat | 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Thread Length | 0.375 INCHES MINIMUM IN |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Features Provided | UNFINISHED HEAD |
| Head Style | DEE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM AND DICHROMATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 1212 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.438 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1920155 PRIMARY | Borgwarner Pds (anderson), L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| 1921055 | 5/9 Secondary reference General Motors Corp AC-Delco Div Government Order Dept |
| 1920155 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
| 2H8534 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 1920155 | 5/9 Secondary reference General Motors Corp |
| 1920155 | 5/9 Secondary reference General Motors Corp Delco Remy Div |
NSN 5306-00-261-3398 is a Bolt,machine, manufactured by Borgwarner Pds (anderson), L.l.c., classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-261-3398 has 1 manufacturer part number on file: 1920155 (Borgwarner Pds (anderson), L.l.c.).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-175-5609. Verify interchangeability with system specifications before substitution.
Key specifications for 1920155: Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 0.781 INCHES NOMINAL IN; Surface Treatment Document and Classification: P-45M FSCM 16764 MFR REF 1ST TREATMENT RESPONSE AND P-10E FSCM 16764 MFR REF 2ND TREATMENT RESPONSE OVERALL; Distance From Centerline to Flat: 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN. 16 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.