The Bolt,firebrick Anchor, cataloged under National Stock Number 5306-00-558-9326, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-558-9326 |
| Item Name | Bolt,firebrick Anchor |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.240 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Fastener Length | 7.438 INCHES MINIMUM AND 7.562 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 |
| Reference | Meaning |
|---|---|
| MILB15382 | 4/1 Identification reference U.S. Government activity |
| MIL-N-15721 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5306-00-558-9326 is a Bolt,firebrick Anchor, classified under FSC 5306, Bolts. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5306-01-220-8671. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-00-558-9326: Head Height: 0.240 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN; Fastener Length: 7.438 INCHES MINIMUM AND 7.562 INCHES MAXIMUM IN. 2 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.