The Bolt,shoulder, cataloged under National Stock Number 5306-00-308-2950, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-308-2950 |
| Primary Part Number | 211090 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Head Height | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Fastener Length | 0.910 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN |
| Shoulder Length | 0.165 INCHES NOMINAL FIRST SHOULDER IN |
| Distance From Centerline to Flat | 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.2408 INCHES MINIMUM AND 0.2470 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.388 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DEE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Nonstandard Thread Pitch Diameter | +0.2216 TO 0.2238 INCHES IN |
| Surface Treatment | SILVER OVERALL |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 211090 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5306-00-308-2950 is a Bolt,shoulder, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-308-2950 has 1 manufacturer part number on file: 211090 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 211090: Head Height: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN; Fastener Length: 0.910 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN; Shoulder Length: 0.165 INCHES NOMINAL FIRST SHOULDER IN; Distance From Centerline to Flat: 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN. 18 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.