The Bolt,machine, cataloged under National Stock Number 5306-01-216-6599, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-216-6599 |
| Primary Part Number | 4063729 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Head Height | 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Fastener Length | 0.927 INCHES MINIMUM AND 0.947 INCHES MAXIMUM IN |
| Thread Length | 0.290 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Material Document and Classification | PWA 96,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | SQUARE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | NICKEL ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| 4063729A | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4063729 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 4063729 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 5306PL1498551 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4063729 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-216-6599 is a Bolt,machine, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-216-6599 has 2 manufacturer part numbers on file: 4063729A (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4063729 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 4063729: Head Height: 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Fastener Length: 0.927 INCHES MINIMUM AND 0.947 INCHES MAXIMUM IN; Thread Length: 0.290 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN; Material Document and Classification: PWA 96,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 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.