The Bolt,machine, cataloged under National Stock Number 5306-01-555-9166, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Nylok Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-01-555-9166 |
| Primary Part Number | TP140DS518N12P |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Nylok Llc |
| Status | ACTIVE |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Head Style | HEXAGON |
| 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 |
|---|---|
| TP140DS518N12P PRIMARY | Nylok Llc (USA) |
| Reference | Meaning |
|---|---|
| 906F324ITEM45-456 | 5/9 Secondary reference Cbs Broadcasting Inc. Dba Cbs Div Bechtel Plant Machinery Inc. - Pittsburgh |
NSN 5306-01-555-9166 is a Bolt,machine, manufactured by Nylok Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-555-9166 has 1 manufacturer part number on file: TP140DS518N12P (Nylok Llc).
1 possible match (shared part number, not a government interchangeability claim): 5306-01-678-8171. Verify interchangeability with system specifications before substitution.
Key specifications for TP140DS518N12P: Fastener Length: 0.750 INCHES NOMINAL IN; Head Style: HEXAGON; Special Features: 0.321/0.125 BY 0.750 LONG HEX HEAD CAP SCREW, PLAIN FINISH WITH NYTEMP PATCH FOR TEMPS UP TO 450 DEGREES F, MADE WITH GRADE 5 STEEL; Part Name Assigned by Controlling Agency: SELF LOCKING BOLT. 3 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.