The Bolt,ribbed Shoulder, cataloged under National Stock Number 5306-00-152-5174, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 9 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-152-5174 |
| Primary Part Number | 123749 |
| Item Name | Bolt,ribbed Shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Head Height | 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN |
| Fastener Length | 2.155 INCHES MINIMUM AND 2.165 INCHES MAXIMUM IN |
| Distance From Largest Diameter of Bearing Surface of Head to Ribs | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Thread Length | 0.880 INCHES NOMINAL IN |
| Rib Length | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Rib Major Diameter | 0.4435 INCHES MINIMUM AND 0.4475 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Rib Quantity | 46 |
| Head Diameter | 0.750 INCHES MINIMUM AND 0.770 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 | X |
| Part Number | Manufacturer |
|---|---|
| 123749 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
NSN 5306-00-152-5174 is a Bolt,ribbed Shoulder, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-152-5174 has 1 manufacturer part number on file: 123749 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
3 possible matches (shared part number, not a government interchangeability claim): 6680-01-323-7601, 6750-01-427-0895, 1005-01-478-0648. Verify interchangeability with system specifications before substitution.
Key specifications for 123749: Head Height: 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN; Fastener Length: 2.155 INCHES MINIMUM AND 2.165 INCHES MAXIMUM IN; Distance From Largest Diameter of Bearing Surface of Head to Ribs: 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Thread Length: 0.880 INCHES NOMINAL IN. 9 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.