The Bolt,machine, cataloged under National Stock Number 5306-01-319-9283, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-319-9283 |
| Primary Part Number | 63A142783P1 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Head Height | 0.049 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Fastener Length | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE FASTENER |
| Thread Length | 0.185 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.181 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Locking Feature | PATCH THREADS |
| Surface Treatment | PASSIVATE FASTENER |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL CORROSION RESISTING FASTENER |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| 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 |
|---|---|
| 63A142783P1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| PL57V40H4 | Long-Lok, Llc (USA) |
| Reference | Meaning |
|---|---|
| PL57V62H10 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5306-01-319-9283 is a Bolt,machine, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-319-9283 has 2 manufacturer part numbers on file: 63A142783P1 (Lockheed Martin Corporation Div Rotary and Mission Systems), PL57V40H4 (Long-Lok, Llc).
Key specifications for 63A142783P1: Head Height: 0.049 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Fastener Length: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE FASTENER; Thread Length: 0.185 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN. 17 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.