The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-007-1525, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 26 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-007-1525 |
| Primary Part Number | 160D637005-1 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Head Height | 0.160 INCHES NOMINAL IN |
| Fastener Length | 6.010 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE GRIP |
| Surface Treatment Document and Classification | MIL-C-8837 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE HEAD |
| Surface Treatment Document and Classification | MIL-C-8837 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE THREADS |
| Thread Length | 0.741 INCHES NOMINAL IN |
| Style Designator | COUNTERBORE UNTHREADED |
| Material Document and Classification | AMS 6419 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Counterbore Depth | 0.800 INCHES NOMINAL IN |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Direction | RIGHT-HAND |
| Counterbore Diameter | 0.812 INCHES MINIMUM AND 0.814 INCHES MAXIMUM IN |
| Width Between Flats | 1.483 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN |
| Shoulder Diameter | 1.2475 INCHES MINIMUM AND 1.2490 INCHES MAXIMUM IN |
| Concentric Hole Diameter | 0.312 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM THREADS |
| Surface Treatment | CHROMIUM GRIP |
| Surface Treatment | CADMIUM HEAD |
| Minimum Tensile Strength | 270000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL OVERALL |
| Shoulder Length | 4.440 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 1.750 INCHES NOMINAL 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 |
|---|---|
| 160D637005-1 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 160D637005-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 160D637005-1 | 5/9 Secondary reference Airtronics, Llc |
| 160D637005-1 | 3/9 Design control — primary reference Ring Screw Works |
| 160D637005-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5306-01-007-1525 is a Bolt,internally Relieved Body, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-007-1525 has 2 manufacturer part numbers on file: 160D637005-1 (Reid Products Inc. Dba Reid Products Inc), 160D637005-1 (Northrop Grumman Systems Corporation).
Key specifications for 160D637005-1: Head Height: 0.160 INCHES NOMINAL IN; Fastener Length: 6.010 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE GRIP; Surface Treatment Document and Classification: MIL-C-8837 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE HEAD. 26 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.