The Bolt,firebrick Anchor, cataloged under National Stock Number 5306-00-543-4563, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5306-00-543-4563 |
| 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 | 6.938 INCHES MINIMUM AND 7.062 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.188 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | A TYPE OR B CLASS |
| Material | NICKEL ALLOY OVERALL |
| 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 |
|---|---|
| DDG4-200-435088 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MIL-B-15382 3/8 X2-1/8 IN L0NG | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MILB15382 | 4/1 Identification reference U.S. Government activity |
NSN 5306-00-543-4563 is a Bolt,firebrick Anchor, classified under FSC 5306, Bolts. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5306-00-558-9323, 5306-00-558-9326, 5306-01-220-8671. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-00-543-4563: Head Height: 0.240 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN; Fastener Length: 6.938 INCHES MINIMUM AND 7.062 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Width Between Flats: 1.188 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN. 6 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.