The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-00-519-7018, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc. Government technical data includes 22 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-519-7018 |
| Primary Part Number | 4500-440-AL-0 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc |
| Status | ACTIVE |
| Head Height | 0.180 INCHES NOMINAL IN |
| Fastener Length | 0.180 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416-CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) COUNTERBORE |
| Concentric Hole Depth | 0.157 INCHES NOMINAL IN |
| Internal Thread Direction | RIGHT-HAND COUNTERBORE |
| Thread Length | 0.143 INCHES NOMINAL IN |
| Threads Per Inch | 40 COUNTERBORE |
| Style Designator | COUNTERBORE THREADED |
| Material Document and Classification | QQ-A-225 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES COUNTERBORE IN |
| Width Between Flats | 0.180 INCHES NOMINAL IN |
| Internal Thread Class | 2B COUNTERBORE |
| Concentric Hole Diameter | 0.086 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 4500-440-AL-0 PRIMARY | Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc (USA) |
| Reference | Meaning |
|---|---|
| 9723A0440 | C/1 Advisory reference — outside the item-of-supply concept Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware |
| 56-036579-01 | 7/9 Vendor item drawing reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
| 9723A0440 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
| 4500-440-A-0 | 5/9 Secondary reference Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc |
| 9723-A0440 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5306-00-519-7018 is a Bolt,internally Relieved Body, manufactured by Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-519-7018 has 1 manufacturer part number on file: 4500-440-AL-0 (Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc).
Key specifications for 4500-440-AL-0: Head Height: 0.180 INCHES NOMINAL IN; Fastener Length: 0.180 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416-CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC) COUNTERBORE. 22 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.