The Bolt,tee Head, cataloged under National Stock Number 5306-01-361-3194, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 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 | 5306-01-361-3194 |
| Primary Part Number | 4637517-18 |
| Item Name | Bolt,tee Head |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 1.000 INCHES NOMINAL IN |
| Fastener Length | 3.188 INCHES NOMINAL IN |
| Thread Length | 0.688 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-281 CLA FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
| Nominal Thread Diameter | 0.313 INCHES IN |
| Head Style | ROUND W/WRENCH FLATS CHAMFERED |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| Material | NICKEL ALLOY 400 FASTENER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 2.125 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 |
|---|---|
| 412-4637517-18 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 4637517-18 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5306-01-361-3194 is a Bolt,tee Head, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-361-3194 has 2 manufacturer part numbers on file: 412-4637517-18 (Huntington Ingalls Inc Div Newport News Shipbuilding), 4637517-18 (Naval Sea Systems Command).
Key specifications for 4637517-18: Head Height: 1.000 INCHES NOMINAL IN; Fastener Length: 3.188 INCHES NOMINAL IN; Thread Length: 0.688 INCHES NOMINAL IN; Material Document and Classification: QQ-N-281 CLA FED SPEC SINGLE MATERIAL RESPONSE FASTENER. 14 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.