The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-215-6731, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-215-6731 |
| Primary Part Number | 70209-26009-101 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Head Height | 0.500 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN |
| Fastener Length | 5.400 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE THREADS |
| Surface Treatment Document and Classification | SS8435,FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE GRIP |
| Surface Treatment Document and Classification | SS8435,FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE HEAD |
| Precious Material | SILVER |
| Thread Length | 1.775 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE IN |
| Style Designator | CONCENTRIC HOLE UNTHREADED |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.426 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN |
| Concentric Hole Diameter | 0.500 INCHES NOMINAL IN |
| Surface Treatment | SILVER THREADS |
| Surface Treatment | PASSIVATE HEAD |
| Surface Treatment | PASSIVATE GRIP |
| Precious Material and Location | THREADS SILVER |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 630 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 5.136 INCHES NOMINAL FIRST HOLE 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 |
|---|---|
| 70209-26009-101 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 70209-26009-101 | Acufast Aircraft Products (USA) |
| 70209-26009-101 | Richard Manufacturing Co., Inc. Dba Richard Manufacturing Co Inc (USA) |
NSN 5306-01-215-6731 is a Bolt,internally Relieved Body, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-215-6731 has 3 manufacturer part numbers on file: 70209-26009-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 70209-26009-101 (Acufast Aircraft Products), 70209-26009-101 (Richard Manufacturing Co., Inc. Dba Richard Manufacturing Co Inc).
Key specifications for 70209-26009-101: Head Height: 0.500 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN; Fastener Length: 5.400 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE THREADS; Surface Treatment Document and Classification: SS8435,FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE GRIP. 24 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.